Showing 544 open source projects for "core java"

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  • Iris Powered By Generali - Iris puts your customer in control of their identity. Icon
    Iris Powered By Generali - Iris puts your customer in control of their identity.

    Increase customer and employee retention by offering Onwatch identity protection today.

    Iris Identity Protection API sends identity monitoring and alerts data into your existing digital environment – an ideal solution for businesses that are looking to offer their customers identity protection services without having to build a new product or app from scratch.
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    The AI workplace management platform

    Plan smart spaces, connect teams, manage assets, and get insights with the leading AI-powered operating system for the built world.

    By combining AI workflows, predictive intelligence, and automated insights, OfficeSpace gives leaders a complete view of how their spaces are used and how people work. Facilities, IT, HR, and Real Estate teams use OfficeSpace to optimize space utilization, enhance employee experience, and reduce portfolio costs with precision.
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  • 1
    Android Interview Questions

    Android Interview Questions

    Your Cheat Sheet For Android Interview

    This repository is a comprehensive study guide for Android interviews, organized to cover the platform from fundamentals to advanced topics. It includes explanations and Q&A on the Android app lifecycle, activities and fragments, services, broadcast receivers, content providers, and the build system. Modern practices are addressed as well—Kotlin language features, coroutines, Jetpack components, MVVM/MVI architecture, dependency injection, and testing strategies. Performance and reliability...
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  • 2
    yudao-cloud

    yudao-cloud

    New Cloud version of Ruoyi-Vue-Pro optimized to refactor all features

    yudao-cloud is the cloud-native evolution of the popular ruoyi-vue-pro backend system, rebuilt around Spring Cloud Alibaba and a microservice architecture. It delivers a full-stack solution that combines a Spring-based backend, MyBatis Plus for data access, and a Vue + Element-based admin front-end, along with user-facing mini-programs. The system targets enterprise scenarios and includes modules for RBAC-based dynamic permissions, multi-tenant SaaS capabilities, data permissions, and...
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  • 3
    Mifos - Open Source Core Banking

    Mifos - Open Source Core Banking

    Democratizing Financial Services Worldwide

    The Mifos Stack provides API-driven core banking infrastructure in the cloud. Apache Fineract (https://github.com/apache/fineract/) is the back-end core banking platform originated by the Mifos Initiative. Mifos X acts as the reference web and mobile apps for staff and customers providing an out of the box ready-to-deploy solution on top of Apache Fineract along with reporting, payments orchestration and other ancillary solutions. More than 20 million customers are reached by 400+...
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    Downloads: 183 This Week
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  • 4
    GeoTools, the Java GIS toolkit

    GeoTools, the Java GIS toolkit

    Toolkit for working with and mapping geospatial data

    GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data. GeoTools is an Open Source Geospatial Foundation project. The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
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    Downloads: 301 This Week
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  • Data management solutions for confident marketing Icon
    Data management solutions for confident marketing

    For companies wanting a complete Data Management solution that is native to Salesforce

    Verify, deduplicate, manipulate, and assign records automatically to keep your CRM data accurate, complete, and ready for business.
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  • 5
    VirtualSatellite

    VirtualSatellite

    Virtual Satellite

    Virtual Satellite is a DLR open source software for model based systems engineering MBSE. One of the major features of Virtual Satellite is the modular data model, that can be easily customized to your personal needs. Today, there are already various different versions: - Virtual Satellite 4 - Core is the entry point to start developing and the basis for all other versions - Virtual Satellite 4 - CEF is a specialized version for the use in our Concurrent Engineering Facility - Virtual...
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    Downloads: 133 This Week
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  • 6
    jd-gui-duo

    jd-gui-duo

    A 2-in-1 JAVA decompiler based on JD-CORE v0 and v1 supporting 3rd par

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    Downloads: 47 This Week
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  • 7

    Prime number ( primenumbers )

    Benchmark for 50 000 000 prime numbers as single and multicore

    Simple source files and compiled JAR Java programs, for benchmark 50 000 000 cycle finding prime numbers. On Intel(R) Core(TM) i5-8600K CPU, Windows 10 20H2, i have 39 second on single core and 7,6 second on multi core. (PS: C++ multicore 6 second). Added C files for gcc compiler in Windows 10 and for Xcode C command line project in MacOS ( tested on Mac mini M2 with single core 16 to 25 sec and multicore 2,3 to 5 second by compiler -O switch). ...
    Downloads: 2 This Week
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  • 8
    Arrow OS

    Arrow OS

    It is an AOSP based project with an aim of keeping things clean!

    ArrowOS is an AOSP based open source project started with the aim of keeping things simple, clean and neat, both for the Android system and users. We understand the pain of unnecessary and sometimes rarely used mods/features being shipped with custom roms nowadays which may end up causing battery drains and/or memory leaks. This is being strictly avoided on our side keeping everything to a bare minimum, delivering the stable performance all the time without destroying the AOSP interface....
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    Downloads: 1,068 This Week
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  • 9
    nmrshiftdb2
    nmrshiftdb2 is a NMR database (web database) for organic structures and their nuclear magnetic resonance (nmr) spectra. It allows for spectrum prediction (13C, 1H and other nuclei) as well as for searching spectra, structures and other properties. The nmrshiftdb2 software is open source, the data is published under an open content license. The core of nmrshitdb2 are fully assigned spectra with raw data and peak lists (we have pure peak lists as well). Those datasets are peer reviewed by a...
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    Downloads: 236 This Week
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  • The AI-powered unified PSA-RMM platform for modern MSPs. Icon
    The AI-powered unified PSA-RMM platform for modern MSPs.

    Trusted PSA-RMM partner of MSPs worldwide

    SuperOps.ai is the only PSA-RMM platform powered by intelligent automation and thoughtfully crafted for the new-age MSP. The platform also helps MSPs manage their projects, clients, and IT documents from a single place.
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  • 10
    ESignPDF

    ESignPDF

    Sign PDF with Digital Signature Certificate

    Brought to you by parvesh88 System Requirements 1. A Computer running Windows 7 Service Pack 1 or higher 2. Java Runtime Environment (JRE) 8 or higher if JRE is not installed on your Computer, then download and install from here JRE 8 for Windows x86 -> https://www.azul.com/core-post-download/?endpoint=zulu&uuid=55abea0c-2aa5-4316-aafb-e90847f6ee21 JRE 8 for Windows x64 -> https://www.azul.com/core-post-download/?endpoint=zulu&uuid=5a34da4a-1821-4c79-a57c-7fce38d102c2 JRE 8 for Mac OS -> https://www.azul.com/core-post-download/?...
    Downloads: 3 This Week
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  • 11
    Vector Pascal is a language targeted at SIMD multi-core instruction-sets such as the AVX and SSE2 or x86-64-v3. It has a SIMD compiler which supports parallel vector operations, loop unrolling, common sub expression removal etc. It is implemented in Java.
    Downloads: 1 This Week
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  • 12
    ASAF - Another Swing App Framework

    ASAF - Another Swing App Framework

    an OSGi-based Swing Application Framework

    Downloads: 6 This Week
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  • 13
    grafx - Extensible Java Graphics Package

    grafx - Extensible Java Graphics Package

    Extensible Line-drawing & Polygon-filling Rasterization Libs for Java

    Line-drawing and polygon-filling rasterization algorithms in Java. Simple 2D package and more complex 3D package with Z-buffering. Texture mapping not supported at the moment. Color interpolation for lines, Gouraud shading for polygons fully supported. Floating point vertex coordinates, not integer. Pixel-level aliasing, not endpoint aliasing. Doesn't use Bresenham line style! Works with all Java versions. No external dependencies. Suitable for study in academic institutions,...
    Downloads: 0 This Week
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  • 14
    Rifidi is a middleware and development platform for RFID. With Rifidi you can prototype an RFID application down to the core RFID Hardware and using Rifidi Edge you can easily develop business rules to turn RFID events into real business applications.
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    Downloads: 18 This Week
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  • 15
    DB Explorer

    DB Explorer

    The modern AI‑first database client for developers DBAs and analyst

    DB Explorer is a powerful, cross-platform Java-based database query tool and explorer designed for developers, DBAs, and data analysts. It provides an intuitive GUI for connecting to multiple databases including PostgreSQL, MySQL, SQL Server, Oracle, SQLite and Dynamo DB along with support of connection any of database via Generic JDBC driver. Key features include real-time SQL execution with syntax highlighting, interactive schema browsing, result pagination with lazy loading, query...
    Downloads: 47 This Week
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  • 16
    PI-Based Image Encoder / Converter

    PI-Based Image Encoder / Converter

    Python code able to convert / compress image to PI (3.14, π) Indexes

    Image processing tool that encodes pixel data as indices within the first 16.7 million digits of PI (π). Features high-performance Numba-accelerated search and a signature 'film-grain' aesthetic upon reconstruction. ZIP also include 16 MB file with 16,7 mil numbers of PI Benchmark(Single-Thread): Hardware & Environment Apple Silicon: Apple M2 (Mac mini/MacBook) x86_64 Platform: Intel Core Ultra 5 225F (Arrow Lake, 10 Cores) OS 1: Fedora 43 (GNOME) OS 2: Windows 11 Pro...
    Downloads: 0 This Week
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  • 17

    RecordEditor

    Editor for Fixed Width, Csv and Existing Xml files.

    The RecordEditor is a Data File editor for Flat Files (delimited and fixed field position). It supports Unix / PC / Legacy (e.g. Mainframe) file formats, both Text and binary files. The Editor uses a Record-Layout description to format the files. This is ideal for Fixed width (Text or Binary) files, Cobol Data Files, Mainframe files and complicated Csv files. Cobol Copybooks can be used to format Cobol Data files. As well as an editor, The following utilities are supplied * Formatted...
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    Downloads: 48 This Week
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  • 18

    beanui

    generic bean/entity, server side rendered, single page web application

    framework to create a modern application with web gui through java bean descriptors
    Downloads: 0 This Week
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  • 19

    Serial-Master

    Serial/TCP terminal: ANSI color, logging, HEX input, & XLSX docs.

    Serial-Master is a comprehensive, cross-platform terminal application for both serial (COM) port and network communication, featuring a modern, intuitive graphical user interface (GUI) designed for simplifying debugging and monitoring tasks. Core Communication & Debugging Features Serial-Master is not just a basic terminal; it's a powerful tool with specialized features for data analysis and control: Advanced ANSI Color Display: Enhance data readability with support for ANSI color...
    Downloads: 10 This Week
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  • 20
    LDPartEditor

    LDPartEditor

    Create and edit LDraw™ parts quick and easy.

    LDPartEditor is a free CAD tool for the creation of LDraw™ parts. Minimum System Requirements: - OpenGL 2.1 compatible Graphics Card - Operating System (64-bit): Windows [7 or newer], Mac OS X [>=14], Linux [e.g. Linux Mint >=22] - CPU: Multicore-Processor e.g. Intel Core 2 Duo or AMD Athlon II (>2.0Ghz) - RAM: 4 GB - Video-Memory: 1 GB - Free Disk Space: 150 MB Recommended Requirements: - OpenGL 3.3 compatible Graphics Card - Operating...
    Downloads: 6 This Week
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  • 21
    CoffeeWebServer

    CoffeeWebServer

    An http 1.1 server written in Java

    NIO HTTP/1.1 Web Server with support for multi-part forms, custom servlets, cookies, sessions, SSL, gzip and deflate encodings, pipelining, and more! Written in 100% Java with core server reliance only on the base jdk library.
    Downloads: 0 This Week
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  • 22
    Lucifer

    Lucifer

    Lucifer: The Ultimate Dev-Ecosystem

    "Everything is integrated. Now, even I can't control it." 루시퍼(Lucifer)는 더 이상 단순한 런처가 아닙니다. 개발자가 필요로 하는 모든 하부 구조를 하나로 집대성한, 통제 불가능한 수준의 올인원 통합 제어 환경입니다. 🚀 핵심 특징 (Core Features) 시리얼 제어 (Advanced Serial Control): 하드웨어와의 접점을 완벽하게 장악합니다. 아두이노 및 각종 임베디드 장치와의 데이터 송수신을 가장 드라이하고 정밀하게 수행합니다. 서버 통합 (Terra Server Engine): MariaDB 연동형 고성능 자바 서버 '테라(Terra)'를 코어로 품어, 데이터 처리와 로직 실행의 중심축을 담당합니다. 톰캣 내장 (Embedded Tomcat): 별도의 WAS 설치 없이도 웹 환경을 즉각적으로 구동합니다. 루시퍼가 곧 웹 서버이자 플랫폼이 됩니다. 자바 내장 (Portable Java Environment): 환경 변수 설정이나 버전 갈등에서 완전히 자유롭습니다. ...
    Downloads: 4 This Week
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  • 23
    mzMatch is a Java collection of small commandline tools specific for metabolomics MS data analysis. The tools are built on top of the PeakML core library, providing mass spectrometry specific functionality and access to the PeakML file format.
    Downloads: 0 This Week
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  • 24

    LegacyInsight

    Legacy reverse engineering tool

    LegacyInsight is an AI-powered reverse engineering platform that transforms legacy software systems into comprehensible business logic. Using cutting-edge GenAI, it analyzes legacy and extracts core operations, business rules, and data transformations—all translated into natural language. LegacyInsight supports enterprise-grade systems built on Java, COBOL, NET and other legacy stacks, helping organizations reclaim understanding of business-critical code.
    Downloads: 0 This Week
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  • 25
    Joget

    Joget

    AI Powered Open Source Platform to Easily Build Enterprise Web Apps

    Joget offers an open-source, AI-powered platform that converges no-code/low-code development with AI to rapidly build and customize enterprise applications at scale. By combining AI with visual app builders—not raw code—Joget makes app generation faster, safer, and more accessible for everyone. With Generative AI and Agentic AI capabilities, Joget Intelligence enables organizations to automate and enhance processes while maintaining oversight and compliance. Unlike typical AI code...
    Downloads: 10 This Week
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