Alternatives to Apache Tomcat
Compare Apache Tomcat alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Apache Tomcat in 2026. Compare features, ratings, user reviews, pricing, and more from Apache Tomcat competitors and alternatives in order to make an informed decision for your business.
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LiteSpeed Web Server
LiteSpeed Technologies
Our lightweight Apache alternative conserves resources without sacrificing performance, security, compatibility, or convenience. Double the maximum capacity of your current Apache servers with LiteSpeed Web Server's streamlined event-driven architecture, capable of handling thousands of concurrent clients with minimal memory consumption and CPU usage. Protect your servers with already familiar ModSecurity rules while also taking advantage of a host of built-in anti-DDoS features, such as bandwidth and connection throttling. Conserve capital by reducing the number of servers needed to support your growing hosting business or online application. Reduce complexity by eliminating the need for an HTTPS reverse proxy or additional 3rd party caching layers. LiteSpeed Web Server is compatible with all popular Apache features including its Rewrite Engine and ModSecurity, and can load Apache configuration files directly. -
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Apache Geronimo
Apache
Apache Geronimo is an open-source set of projects that are focused on providing JavaEE/JakartaEE libraries and Microprofile implementations. We are actively delivering reusable Java EE components though. They are widely used and still actively maintained! Apache Geronimo provides libraries for the implementations of the Java EE and Jakarta EE specifications. The implementations are also focused on providing OSGi bundle metadata. The goal of XBean project is to create a plugin-based server analogous to Eclipse is a plugin-based IDE. XBean will be able to discover, download and install server plugins from an Internet-based repository. In addition, we include support for multiple IoC systems, support for running with no IoC system, JMX without JMX code, lifecycle and class loader management, and rock-solid Spring integration. Apache Geronimo hosts several Microprofile implementations. Apache Geronimo Arthur is an effort to build a thin layer on top of Oracle GraalVM.Starting Price: Free -
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Apache TomEE
Apache
Apache TomEE, pronounced “Tommy”, is an all-Apache Jakarta EE 9.1 certified application server that extends Apache Tomcat that is assembled from a vanilla Apache Tomcat zip file. We start with Apache Tomcat, add our jars, and zip up the rest. The result is Tomcat plus EE features, TomEE. Stable and ready for production, Apache TomEE 8.0 implements Java EE 8/Jakarta EE 8 and supports the javax namespace. Runs on Java 8 or higher. Mostly Jakarta EE 9.1 web profile compliant and supports the new jakarta namespace. Runs on Java 11 or higher. Apache TomEE comes in four different flavors, web profile, MicroProfile, Plus and Plume. Apache TomEE web profile delivers servlets, JSP, JSF, JTA, JPA, CDI, bean validation and EJB Lite. Apache TomEE MicroProfile adds support for MicroProfile. Apache TomEE Plus and Plume add support for JMS, JAX-WS, and more. Mostly Jakarta EE 9.1 Web Profile compliant and supports the new jakarta namespace.Starting Price: Free -
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Cowboy
99s
Cowboy is the ultimate server for the modern Web with support for Websocket, HTTP/2 and REST. Cowboy is a small, fast and modern HTTP server for Erlang/OTP. Cowboy aims to provide a complete modern Web stack. This includes HTTP/1.1, HTTP/2, WebSocket, server-sent events and Webmachine-based REST. Cowboy comes with functions for introspection and tracing, enabling developers to know precisely what is happening at any time. Its modular design also easily enables developers to add instrumentation. Cowboy is a high-quality project. It has a small code base, is very efficient (both in latency and memory use) and can easily be embedded in another application. Cowboy is clean Erlang code. It includes hundreds of tests and its code is fully compliant with the Dialyzer. It is also well documented and features a function reference, a user guide and numerous tutorials. Knowledge of the HTTP protocol is recommended but not required, as it will be detailed throughout the guide. -
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WebSphere Hybrid Edition is a flexible, all-in-one solution for WebSphere application server deployments that can enable organizations to meet current and future requirements. It will enable you to optimize your existing WebSphere entitlements, modernize your applications, and build new cloud-native Java EE applications. An all-in-one solution to help you run, modernize and create new Java applications. Use IBM Cloud® Transformation Advisor and IBM Mono2Micro to help assess the cloud readiness of your applications, explore options for containerization and microservices, and get assistance in adapting code. Explore and unlock the benefits of the all-in-one IBM WebSphere Hybrid Edition solution for your application run time and modernization features. Identify which WebSphere applications can easily move to containers for immediate savings. Manage costs, enhancements, and security proactively throughout the application lifecycle.
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NGINX
F5
NGINX Open Source: The open source web server that powers more than 400 million websites. NGINX Plus is a software load balancer, web server, and content cache built on top of open source NGINX. Use NGINX Plus instead of your hardware load balancer and get the freedom to innovate without being constrained by infrastructure. Save more than 80% compared to hardware ADCs, without sacrificing performance or functionality. Deploy anywhere: public cloud, private cloud, bare metal, virtual machines, and containers. Save time by performing common tasks through the built‑in NGINX Plus API. From NetOps to DevOps, modern app teams need a self‑service, API‑driven platform that integrates easily into CI/CD workflows to accelerate app deployment – whether your app has a hybrid or microservices architecture – and makes app lifecycle management easier. -
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Microsoft IIS
Microsoft
Internet Information Services (IIS) for Windows® Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable and open architecture is ready to handle the most demanding tasks. -
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Oracle WebLogic Server
Oracle
Oracle WebLogic Server is a unified and extensible platform for developing, deploying and running enterprise applications, such as Java, for on-premises and in the cloud. WebLogic Server offers a robust, mature, and scalable implementation of Java Enterprise Edition (EE) and Jakarta EE. Oracle WebLogic Server is fully supported on Kubernetes and enables users to migrate and efficiently build modern container apps with comprehensive Java services. Check out the WebLogic Kubernetes ToolKit, a complete set of open-source tools that simplifies running on Kubernetes, on-premises or in the cloud. Java EE and Jakarta EE provide a powerful combination of technologies and APIs that focus on ease of enterprise application development and management. -
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JBoss Portal
Red Hat
JBoss Portal provides an open source platform for hosting and serving a portal's Web interface, publishing and managing its content, and customizing its experience. While most packaged Portal frameworks help enterprises launch Portals more quickly, only JBoss Portal delivers the benefits of a zero-cost open source license combined with a flexible and scalable underlying platform. If you wish to get involved as a developer in the Portal project, please visit the forums and get to know people. Also, it is recommended you visit the JIRA pages to get a glimpse on the status or project tasks. All of the developers on the JBoss Portal project began as independent contributors to one JBoss project or another. JBoss core developers are guided by a meritocracy, and we hire talent anywhere in the world it may be. -
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Eclipse GlassFish
Eclipse Foundation
Eclipse GlassFish is a Jakarta EE compatible implementation sponsored by the Eclipse Foundation. We are happy to announce the final release of Eclipse GlassFish 6.1. This release provides implementations of the Jakarta EE 9.1 Platform and Web Profile specifications. Download links are available from the GlassFish Download page. Eclipse GlassFish 6.1 implements the Jakarta EE 9.1 specification (Jakarta EE 9.1 Platform, Jakarta EE 9 Web Profile). This is the first release candidate of Eclipse GlassFish 6.1 and is available for download. Eclipse GlassFish 6.1 is targetted to be a Compatible Implementation of Jakarta EE 9.1. Note this release requires JDK 11. The final release is scheduled to coincide with the final release of Jakarta EE 9.1. -
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Eclipse Jetty
Eclipse Foundation
Jetty provides a web server and servlet container, additionally providing support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations. These components are open source and are freely available for commercial use and distribution. Jetty is used in a wide variety of projects and products, both in development and production. Jetty has long been loved by developers due to its long history of being easily embedded in devices, tools, frameworks, application servers, and modern cloud services. Full-featured and standards-based. Open source and commercially usable, flexible and extensible, small footprint, embeddable, asynchronous, enterprise scalable, and dual-licensed under Apache and Eclipse. Large clusters, such as Facebook Presto. Cloud computing, such as Google AppEngine. With the direction of Java and the JakartaEE project (formerly JavaEE) in 2020, the current recommended version of Jetty for use depends upon the servlet API version, desired licensing, etc. -
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Payara Enterprise
Payara Services Ltd
Jakarta EE & MicroProfile compatible, supported application servers for production and containerized deployments. Monthly releases, bug fixes, and patches. Rolled into Payara Enterprise products making Payara Server the best option for production Jakarta EE (Java EE) applications and Payara Micro the best option for containerized Jakarta EE applications. Payara Migration & Support engineers assist customers with Payara Server or Payara Micro during development projects before going to production, or provide assistance with the application server migration process. Raise tickets for bugs, incidents or questions related to Payara Server or Payara Micro, including any general questions you may have about configuration, deployment, security, monitoring and troubleshooting. Exclusive access to monthly releases of Payara Server and Payara Micro including crucial fixes and patches. New features are added once they are stable and ready for production use. -
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JBoss EAP
Red Hat
Red Hat® JBoss® Enterprise Application Platform (JBoss EAP) delivers enterprise-grade security, performance, and scalability in any environment. Whether on-premise; virtual; or in private, public, or hybrid clouds, JBoss EAP can help you deliver apps faster, everywhere. JBoss EAP 7 is built to provide simplified deployment and full Jakarta EE performance for applications in any environment. Whether on-premise or in virtual, private, public, and hybrid clouds, JBoss EAP features a modular architecture that starts services only as they are required. JBoss EAP 7 is built for performance and flexibility in modern application environments. Its modular architecture and services-driven set of components reduce scale-out times and provide flexibility for applications deployed in different environments. JBoss EAP allows developers to be meet line-of-business demands. Support for Jakarta EE and its web-based frameworks, such as Spring, Spring Web Flow, Spring WS, Spring Security, etc.Starting Price: $8000 -
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VMware tc Server
Broadcom
tc Server is a Web application server based on open-source Apache Tomcat. It preserves the best of Tomcat and adds many mission-critical operational capabilities that are unavailable in the open-source product. tc Server harnesses the power of traditional JEE architectures and eliminates their complexity and performance drawbacks, making it easier, faster, and more cost-effective to build and run cloud-ready applications. With its lean architecture and small memory footprint, tc Server requires significantly fewer resources than conventional servers, which allows for greater server density in virtual and cloud environments. -
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Apache Anakia
The Apache Software Foundation
Anakia is potentially easier to learn than XSL, but it maintains a similar level of functionality. Learning cryptic <xsl:> tags is unnecessary; you only need to know how to use the provided Context objects, JDOM, and Velocity's simple directives. Anakia seems to perform much faster than Xalan's XSL processor at creating pages. (23 pages are generated in 7-8 seconds on a PIII 500mhz running Win98 and JDK 1.3 with client Hotspot. A similar system using Ant's <style> task took 14-15 seconds -- nearly a 2x speed improvement.) Anakia -- intended to replace Stylebook, which was originally used to generate simple, static web sites in which all pages had the same look and feel -- is great for documentation/project web sites, such as the sites on www.apache.org and jakarta.apache.org. As it is more targeted to a specific purpose, it does not provide some of XSL's "extra" functionality. -
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SUNRATE
SUNRATE
SUNRATE is an intelligent global payment and treasury management platform for businesses worldwide. Since its inception in 2016, SUNRATE is recognised as a leading solution provider and has enabled companies to operate and scale both locally and globally in 150+ countries and regions with its cutting-edge proprietary platform, extensive global network, and robust APIs. With its global headquarters in Singapore and offices in Hong Kong, Jakarta, London and Shanghai, SUNRATE partners with the top global financial institutions, such as Citibank, Standard Chartered, Barclays and is the principal member of both Mastercard and Visa. -
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BioSP
Aware
BioSP™ (Biometric Services Platform) is a modular, open platform used to enable a biometric system with advanced biometric data processing and management functionality in a web services architecture. It provides workflow, data management and formatting, and other important utilities for large-scale biometric systems. BioSP is well suited for applications that require the collection of biometrics throughout a distributed network, and subsequent aggregation, analysis, processing, distribution, matching, and sharing of data with other system components. BioSP is modular, programmable, scalable, and secure, capable of managing all aspects of transaction workflow including messaging, submissions, responses, and logging. BioSP makes extensive use of open-source components and is Jakarta EE-compliant. Performs automated biometric image and data analysis, processing, formatting, quality assurance, and reporting. -
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Jersey
Eclipse Foundation
Developing RESTful web services that seamlessly support exposing your data in a variety of representation media types and abstracting away the low-level details of client-server communication is not an easy task without a good toolkit. In order to simplify the development of RESTful web services and their clients in Java, a standard and portable JAX-RS API has been designed. Jersey RESTful web services 3. x framework is an open-source, production-quality, framework that provides support for Jakarta RESTful web services 3.0. Jersey framework is more than the JAX-RS reference implementation. Jersey provides its own API that extends the JAX-RS toolkit with additional features. Track the JAX-RS API and provide regular releases of production quality reference implementations that ship with GlassFish. Provides APIs to extend Jersey & build a community of users and developers. Makes it easy to build RESTful Web services utilizing Java and the Java Virtual Machine.Starting Price: Free -
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GitBucket
GitBucket
GitBucket is a Git web platform powered by Scala. You can also deploy gitbucket war to a servlet container which supports Servlet 3.0 (like Jetty, Tomcat, JBoss, etc).Starting Price: Free -
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IBM CICS
IBM
IBM® CICS® Transaction Server for z/OS® has evolved into a powerful mixed language application server, enabling developers to write and modernize applications using the languages and tools best suited to business needs and their skills. Supported languages and frameworks include Java®-based OSGi, Springboot®, Jakarta® EE, Eclipse® MicroProfile, and Node.js®-based runtime for JavaScript and TypeScript, and COBOL, C/C++, and PL/I. CICS is able to scale applications to support high-transaction workloads in a secure, robust, cost-efficient environment. Develop new applications or extend existing, mission-critical services with new interfaces. Unleash your creativity with our support for a wealth of different programming languages. Develop in CICS Transaction Server just as you would develop any other application, with plug-ins for familiar tooling such as Maven®, Gradle®, Zowe®, and UrbanCode Deploy®. -
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Eclipse BIRT
Eclipse Foundation
With BIRT you can create data visualizations, dashboards and reports that can be embedded into web applications and rich clients. Make information out of your data! BIRT means Business Intelligence Reporting Tool, and that sums it up quite nicely. BIRT can pull and combine data from many different data sources (Databases, files, Java, Javascript, web services, etc..) and use this data for reporting (textual) and charting (visual). BIRT is an open-source software project that provides the BIRT technology platform to create data visualizations. Users can embed reports into desktop and web applications, especially those based on Java and Jakarta EE. BIRT is a top-level software project within the Eclipse Foundation. The BIRT project addresses a wide range of reporting needs. Reporting capabilities in an application are often implemented in an ad hoc fashion by the application developer, using technology that is not ideal for developing a one-off solution for that application. -
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Smarty
Smarty
Smarty leads the way in location data intelligence, offering a comprehensive suite of address validation APIs for USPS, non-postal, and international addresses. Our address autocomplete API simplifies data entry, and our geocoding and reverse geocoding APIs deliver hyper-accurate results at lightning speed. From New York to Jakarta, Smarty covers the globe, standardizing, validating, and enriching address data. Our fully documented APIs and unlimited tech support make us the top choice for USPS and international address validation solutions. Whether you're in Tokyo or Toronto, our comprehensive documentation and exceptional customer support make it easy to start validating addresses in minutes. With 250 free lookups per month, no credit card required, and a full demo available, Smarty has you covered. From address validation to list processing, we've got every detail you need. Our service ensures security with 24-hour monitoring, encryption, and hashed data, delivering an average sub-3Starting Price: $0 per month -
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Anuko Time Tracker
Anuko
Anuko Time Tracker is an open-source, web-based time tracking application written in PHP. It allows you to track the time that employees, colleagues, or teammates spend working on projects and tasks. It needs a web server such as Apache, IIS, etc. to run on, and a database to keep the data in, such as MariaDB or MySQL. After registering, create at least one project on the Projects tab. That's it. Now you are ready to track work time on the Time page and run reports on the Reports page. Access to the system to install it on. A web server that can run PHP code such as Apache, IIS, Tomcat, or others. A database server such as MariaDB or MySQL. Time Tracker is a PHP application that runs on a web server and uses a database. Therefore, you can run it on any system where such environment exists, Linux, FreeBSD, Windows, macOS, and others. -
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Apache Traffic Server
Apache Software Foundation
Apache Traffic Server™ software is a fast, scalable and extensible HTTP/1.1 and HTTP/2 compliant caching proxy server. Formerly a commercial product, Yahoo! donated it to the Apache Foundation, and currently used by several major CDNs and content owners. Improve your response time, while reducing server load and bandwidth needs by caching and reusing frequently-requested web pages, images, and web service calls. Scales well on modern SMP hardware, handling 10s of thousands of requests per second. Easily add keep-alive, filter or anonymize content requests, or add load balancing by adding a proxy layer. APIs to write your own plug-ins to do anything from modifying HTTP headers to handling ESI requests to writing your own cache algorithm. Handling over 400TB a day at Yahoo! both as forward and reverse proxies, Apache Traffic Server is battle hardened. -
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Atomic ModSecurity Rules
Atomicorp
Atomic ModSecurity Rules is a comprehensive WAF rule set with hundreds of ModSecurity WAF rules to protect applications against web attacks and is fully backed by expert support. WAF Rules to Strengthen ModSecurity Against: - SQL injection - Cross-site scripting - Cross-site request forgery - Encoding abuse - Protocol abuse - Unicode and UTF-8 attacks - HTTP smuggling - Path recursion - Web spam - Shells - And much more * Atomicorp developed the first ModSecurity rule set and maintains the largest number of active WAF rules that support server types from Tomcat and Nginx to IIS, LightSpeed and Apache. * Atomic ModSecurity Rules are the most comprehensive WAF rule set in the industry, have the highest level of quality and are fully backed by expert support. ****** More info: https://www.atomicorp.com/atomic-modsecurity-rules/ ******* -
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AWebServer
Sylkat
AWebServer will let you share your files from your phone to any device or computer easily. You can explore the files with any SO or browser through wireless. AWebServer is an easy and friendly solution to publish your own web in your Android device with PHP and all the features that Apache brings. MariaDb the old MySQL server is also included and the MyPhpAdmin application has been installed and ready to work with. Has integrated a FTP server to upload the contents and is compatible with Android 4 and above. This app is based on the famous and stable Apache 2 server, known by its stability in Android devices. Improved look of Apache indexes files. Updated servers for 64 bits arch and phpMyAdmin. Distributed appbundle to reduce size of the app. -
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Apache HTTP Server
Apache Software Foundation
The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards. -
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Caddy
Caddy
Caddy simplifies your infrastructure. It takes care of TLS certificate renewals, OCSP stapling, static file serving, reverse proxying, Kubernetes ingress, and more. Its modular architecture means you can do more with a single, static binary that compiles for any platform. Caddy runs great in containers because it has no dependencies—not even libc. Run Caddy practically anywhere. Caddy obtains and renews TLS certificates for your sites automatically. It even staples OCSP responses. Its novel certificate management features are the most mature and reliable in its class. Written in go, Caddy offers greater memory safety than servers written in C. A hardened TLS stack powered by the go standard library serves a significant portion of all Internet traffic. Caddy is both a flexible, efficient static file server and a powerful, scalable reverse proxy. -
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DigiMAINT
Aerosoft Systems
DigiMAINT™ is a WEB-based civil/commercial aviation maintenance management system, specifically designed for aircraft operators, maintenance facilities and stock distributors. DigiMAINT™ provides complete control over all facets of your operation including technical records, stock control, sales, purchasing, and flight operations. Provides for management functions of data mining, decision support, and financial analysis. A user-friendly browser interface and cost-effective technology platform (MS Server / MS SQL and Java/Tomcat implementation). DigiPLAN and DigiREPORTS are integral modules implemented with DigiMAINT NG. Integrates with DigiDOC™ based document management and spare parts transactions over secure Internet. Developed and supported by aviation engineers, mechanics, and process experts covering all aircraft M&E functional requirements in a single system.Starting Price: $3000 per month -
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Kwok Information Server
Kwoksys
Kwok is an open-source IT management software. It was initially designed for IT professionals to track hardware and software records. Different modules have since been added to support the managing of information related to IT operations. Kwok Information Server is an open source IT management system. Kwok Information Server, utilizing open source software such as Java, Tomcat and PostgreSQL, provides a centralized system for managing/tracking hardware inventory, software licenses, issues, service contracts, and vendor contacts. Additional modules include knowledge base, portal, RSS, blogs. -
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Apache Mahout
Apache Software Foundation
Apache Mahout is a powerful, scalable, and versatile machine learning library designed for distributed data processing. It offers a comprehensive set of algorithms for various tasks, including classification, clustering, recommendation, and pattern mining. Built on top of the Apache Hadoop ecosystem, Mahout leverages MapReduce and Spark to enable data processing on large-scale datasets. Apache Mahout(TM) is a distributed linear algebra framework and mathematically expressive Scala DSL designed to let mathematicians, statisticians, and data scientists quickly implement their own algorithms. Apache Spark is the recommended out-of-the-box distributed back-end or can be extended to other distributed backends. Matrix computations are a fundamental part of many scientific and engineering applications, including machine learning, computer vision, and data analysis. Apache Mahout is designed to handle large-scale data processing by leveraging the power of Hadoop and Spark. -
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AIOHTTP
AIOHTTP
Supports both client and server side of HTTP protocol, both client and server web-sockets out-of-the-box, and avoids callback hell and web-server with middlewares and pluggable routing. -
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Kestrel
Microsoft
Kestrel is a cross-platform web server for ASP.NET Core. Kestrel is the web server that's included and enabled by default in ASP.NET Core project templates. Kestrel supports HTTPS, HTTP/2 (except on macOS), Opaque upgrade used to enable WebSockets, Unix sockets for high performance behind Nginx. Kestrel is supported on all platforms and versions that .NET Core supports. Some browsers require granting explicit permission to trust the local development certificate. Project templates configure apps to run on HTTPS by default and include HTTPS redirection and HSTS support. The Kestrel web server has constraint configuration options that are especially useful in Internet-facing deployments. There's a separate limit for connections that have been upgraded from HTTP or HTTPS to another protocol (for example, on a WebSockets request). The default maximum request body size is 30,000,000 bytes, which is approximately 28.6 MB. -
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Yuan Jhen DevOps PaaS
Yuan Jhen Information
Yuan Jhen DevOps PaaS is a comprehensive cloud-based solution that revolutionizes development and deployment. With DevOps PaaS, developers, and DevOps teams can effortlessly create, update, deploy, run, and manage applications without dealing with underlying infrastructure, operating systems, or physical devices. Instantly deploy apps in various environments, including Java, PHP, Ruby, Node.js,.NET, Python, and Go. In addition, we provide a variety of pre-configured clusters for popular programs like as WordPress, Magento, MySQL, PostgreSQL, NGINX, Tomcat, GlassFish, WildFly, Docker, and Kubernetes. -
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ORMIT™ Jasper
RENAPS
ORMIT™ Jasper is the only seamless automated migration solution to migrate Oracle Reports to Jasper Reports that can cost up to 90% less time than a manual upgrade. RENAPS ORMIT™ Jasper eliminates all migration risks associated with a manual migration. ORMIT™ Jasper improves code quality and maintainability, thus paves the way for even more savings over time. 100% Open source: no licensing, support fees, or vendor lock-ins will ever apply to your migrated reports. Jasper Reports can be used on a regular JavaEE server such as Tomcat, JBoss or Jetty and can also be used outside of pure Java application development -
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Cloud Foundry ensures that the build and deploy aspects of coding remain carefully coordinated with any attached services — resulting in quick, consistent and reliable iterating of applications. As an industry-standard platform as a service (PaaS), Cloud Foundry ensures the fastest, easiest and most reliable deployment of cloud-native applications. IBM offers the Cloud Foundry PaaS in several hosting models, allowing you to customize your PaaS experience and balance a range of considerations, including price, deployment speed and security. Cloud Foundry includes runtimes for Java, Node.js, PHP, Python, Ruby, ASP.NET, Tomcat, Swift and Go. Community build packs are also available. Combined with DevOps services, the application runtimes enable a delivery pipeline that automates much of the iterative development process.
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Mako Server
Real Time Logic LLC
The Mako Server is a compact, event-driven web and application server designed for resource-constrained systems. Engineered for embedded environments, it combines a lightweight HTTP/HTTPS server with a Lua scripting engine, enabling high-level development with direct access to low-level C code. Its architecture delivers high performance, low memory use, and secure integration, making it ideal for systems that can’t support heavier frameworks but require dynamic web interfaces or APIs. The server supports live updates, built-in debugging, and Lua Server Pages (LSP), offering PHP-like scripting optimized for embedded use. Common use cases include device portals, diagnostic dashboards, REST APIs, and real-time WebSocket interfaces. Lua’s speed and small footprint align perfectly with the Mako Server’s goals. More than just a web server, Mako is a comprehensive framework that enables developers to integrate modern, secure, web-enabled features into compact devices.Starting Price: $498.00 -
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Tornado Web Server
Tornado
Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived connection to each user. Tornado is different from most Python web frameworks. It is not based on WSGI, and it is typically run with only one thread per process. While some support of WSGI is available in the tornado.wsgi module, it is not a focus of development and most applications should be written to use Tornado’s own interfaces (such as tornado.web) directly instead of using WSGI. In general, Tornado code is not thread-safe. Tornado is integrated with the standard library asyncio module and shares the same event loop (by default since Tornado 5.0). In general, libraries designed for use with asyncio can be mixed freely with Tornado. -
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Apache Lucene
Apache Software Foundation
The Apache Lucene™ project develops open-source search software. The project releases a core search library, named Lucene™ core, as well as PyLucene, a python binding for Lucene. Lucene Core is a Java library providing powerful indexing and search features, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities. The PyLucene sub project provides Python bindings for Lucene Core. The Apache Software Foundation provides support for the Apache community of open-source software projects. Apache Lucene is distributed under a commercially friendly Apache Software license. Apache Lucene set the standard for search and indexing performance. Lucene is the search core of both Apache Solr™ and Elasticsearch™. Our core algorithms along with the Solr search server power applications the world over, ranging from mobile devices to sites like Twitter, Apple and Wikipedia. The goal of Apache Lucene is to provide world class search capabilities. -
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Hadoop
Apache Software Foundation
The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage. Rather than rely on hardware to deliver high-availability, the library itself is designed to detect and handle failures at the application layer, so delivering a highly-available service on top of a cluster of computers, each of which may be prone to failures. A wide variety of companies and organizations use Hadoop for both research and production. Users are encouraged to add themselves to the Hadoop PoweredBy wiki page. Apache Hadoop 3.3.4 incorporates a number of significant enhancements over the previous major release line (hadoop-3.2). -
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Apache Spark
Apache Software Foundation
Apache Spark™ is a unified analytics engine for large-scale data processing. Apache Spark achieves high performance for both batch and streaming data, using a state-of-the-art DAG scheduler, a query optimizer, and a physical execution engine. Spark offers over 80 high-level operators that make it easy to build parallel apps. And you can use it interactively from the Scala, Python, R, and SQL shells. Spark powers a stack of libraries including SQL and DataFrames, MLlib for machine learning, GraphX, and Spark Streaming. You can combine these libraries seamlessly in the same application. Spark runs on Hadoop, Apache Mesos, Kubernetes, standalone, or in the cloud. It can access diverse data sources. You can run Spark using its standalone cluster mode, on EC2, on Hadoop YARN, on Mesos, or on Kubernetes. Access data in HDFS, Alluxio, Apache Cassandra, Apache HBase, Apache Hive, and hundreds of other data sources. -
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Apache Axiom
The Apache Software Foundation
The Apache Axiom™ library provides an XML Infoset compliant object model implementation which supports on-demand building of the object tree. It supports a novel "pull-through" model which allows one to turn off the tree building and directly access the underlying pull event stream using the StAX API. It also has built in support for XML Optimized Packaging (XOP) and MTOM, the combination of which allows XML to carry binary data efficiently and in a transparent manner. The combination of these is an easy to use API with a very high performant architecture! Developed as part of Apache Axis2, Apache Axiom is the core of Apache Axis2. However, it is a pure standalone XML Infoset model with novel features and can be used independently of Apache Axis2. -
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MacHTTP-js
MacHTTP-js
MacHTTP-js is currently available for preview on macOS now. As a brand new application, MacHTTP-js includes features never envisioned in the original when it was first released in 1992. MacHTTP-js is written from the ground up using the node.js platform, which means it is a cross-platform application that can run on macOS, Windows, and Linux operating systems. MacHTTP-js is a full-featured Web server for 21st century desktops and servers. A "preview" release is available now for Mac users, followed by a general release for Windows 10 and Linux computers, including support for Docker. This is a full-featured release for macOS and other O/S versions will follow shortly. -
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Apache APISIX
Apache APISIX
Apache APISIX provides rich traffic management features like Load Balancing, Dynamic Upstream, Canary Release, Circuit Breaking, Authentication, Observability, etc. Apache APISIX provides open source API Gateway to help you manage microservices, delivering the ultimate performance, security, and scalable platform for all your APIs and microservices. Apache APISIX is the first open-source API Gateway that includes a built-in low-code Dashboard, which offers a powerful and flexible UI for developers to use. The Apache APISIX Dashboard is designed to make it as easy as possible for users to operate Apache APISIX through a frontend interface. It’s open-source and ever evolving, feel free to contribute. The Apache APISIX dashboard is flexible to User demand, providing option to create custom modules through code matching your requirements, alongside the existing no-code toolchain. -
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Abyss Web Server
Aprelium
Abyss Web Server is a compact web server available for Windows, macOS, and Linux operating systems. Despite its small footprint, it supports HTTP/2, secure SSL/TLS connections (HTTPS), automated provisioning and renewal of free certificates from Let's Encrypt® (ACME v2), IPv6, on-the-fly HTTP compression, dynamic content generation through CGI/FastCGI scripts, ISAPI extensions, native ASP.NET, HTTP/HTTPS/WebSocket reverse proxying, eXtended Side Includes (XSSI), custom error pages, password protection, IP address control, anti-leeching, bandwidth throttling, and log rotation. It also features an automatic antihacking system as well as a multilingual remote web management interface that makes its configuration as easy as browsing a web site.Starting Price: $59.95 one-time payment -
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Amazon EMR
Amazon
Amazon EMR is the industry-leading cloud big data platform for processing vast amounts of data using open-source tools such as Apache Spark, Apache Hive, Apache HBase, Apache Flink, Apache Hudi, and Presto. With EMR you can run Petabyte-scale analysis at less than half of the cost of traditional on-premises solutions and over 3x faster than standard Apache Spark. For short-running jobs, you can spin up and spin down clusters and pay per second for the instances used. For long-running workloads, you can create highly available clusters that automatically scale to meet demand. If you have existing on-premises deployments of open-source tools such as Apache Spark and Apache Hive, you can also run EMR clusters on AWS Outposts. Analyze data using open-source ML frameworks such as Apache Spark MLlib, TensorFlow, and Apache MXNet. Connect to Amazon SageMaker Studio for large-scale model training, analysis, and reporting. -
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Apache Beam
Apache Software Foundation
The easiest way to do batch and streaming data processing. Write once, run anywhere data processing for mission-critical production workloads. Beam reads your data from a diverse set of supported sources, no matter if it’s on-prem or in the cloud. Beam executes your business logic for both batch and streaming use cases. Beam writes the results of your data processing logic to the most popular data sinks in the industry. A simplified, single programming model for both batch and streaming use cases for every member of your data and application teams. Apache Beam is extensible, with projects such as TensorFlow Extended and Apache Hop built on top of Apache Beam. Execute pipelines on multiple execution environments (runners), providing flexibility and avoiding lock-in. Open, community-based development and support to help evolve your application and meet the needs of your specific use cases. -
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OpenLiteSpeed
LiteSpeed Technologies
OpenLiteSpeed is the Open Source edition of LiteSpeed Web Server Enterprise. Both servers are actively developed and maintained by the same team, and are held to the same high-quality coding standard. OpenLiteSpeed contains all of the essential features found in LiteSpeed Enterprise, and represents our commitment to support the Open Source community. Event driven processes, less overhead, and enormous scalability. Keep your existing hardware. OpenLiteSpeed is mod_rewrite compatible, with no new syntax to learn. Continue to use your existing rewrite rules. Built-in full-page cache module is highly-customizable and efficient for an exceptional user experience. Automatically implement Google’s PageSpeed optimization system with the mod_pagespeed module. Install OpenLiteSpeed, MariaDB and WordPress on various operating systems with just one click. -
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Mongoose
Mongoose
Mongoose turns a software product, a device or appliance into a web server, accessible by a browser. One of the most common use cases is to use Mongoose to add a Web-accessible control panel for a device. Ready-to-go examples and tutorials for common functionalities like authentication, live logs, video streaming. Using Mongoose, it is easy to create various API to control your device or application remotely, via browser, mobile phone, or automation tools. We have created an extremely memory-efficient, easy-to-use, MIT-licensed JSON library to use together with Mongoose. Real-time, full-duplex communication over MQTT or Websocket. Exchange plain data, or wrap data into JSON to use JSON-RPC! Mongoose turns a software product, a device or appliance into a web server, accessible by a browser. Upload device data to a cloud server of your choice. Use a 3rd party cloud provider, or spin your own. -
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Monkey Server
Monkey Server
Monkey is a lightweight and powerful web server and development stack for Linux & OSX. It has been designed to be very scalable with low memory and CPU consumption, the perfect solution for embedded devices. Made for ARM, x86 and x64. Monkey is a lightweight and scalable Web Server. Originally made for Linux, it's also compatible with OSX. It have been designed with a strong focus on Embedded devices, therefore its scalable by nature having a low memory and CPU consumption, making it a real solution for high-end production servers too. Monkey is built and tested for different architectures such as ARM, x86 and x64. Monkey uses a hybrid mechanism composed by a fixed number of threads being each one capable to attend thousands of clients thanks to the event-driven model based in asynchronous sockets. The interaction between the scheduler and each worker thread is lock-free, avoiding race conditions and exposing a huge performance compared to other available options.
