Browse free open source Internet software and projects below. Use the toggles on the left to filter open source Internet software by OS, license, language, programming language, and project status.

  • 8 Monitoring Tools in One APM. Install in 5 Minutes. Icon
    8 Monitoring Tools in One APM. Install in 5 Minutes.

    Errors, performance, logs, uptime, hosts, anomalies, dashboards, and check-ins. One interface.

    AppSignal works out of the box for Ruby, Elixir, Node.js, Python, and more. 30-day free trial, no credit card required.
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  • Create and manage the email signature you need Icon
    Create and manage the email signature you need

    For companies and organizations that need an email signature solution

    With WiseStamp it’s easy to unify your brand and turn your emails into a powerful marketing tool. Get the most out of your emails with a professionally designed custom email signature.
    Learn More
  • 1
    VTun is the easiest way to create Virtual Tunnels over TCP/IP networks with traffic shaping, compression, and encryption. It supports IP, Ethernet, PPP and other tunnel types. VTun is easily and highly configurable. VPN, Mobile IP, Shaping, etc
    Leader badge
    Downloads: 9,880 This Week
    Last Update:
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  • 2
    IPCop Firewall

    IPCop Firewall

    Linux firewall distribution geared towards home and SOHO users.

    The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.
    Downloads: 257 This Week
    Last Update:
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  • 3
    Torrent Search
    Torrent Search is a cross-platform application, allowing to search for torrent files on different websites. Supported websites are integrated through plugins, which allows to easily extend the number of websites supported.
    Downloads: 19 This Week
    Last Update:
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  • 4
    oSync will continue its service via www.osync.com
    Downloads: 26 This Week
    Last Update:
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  • Unrivaled Embedded Payments Solutions | NMI Icon
    Unrivaled Embedded Payments Solutions | NMI

    For SaaS builders, software companies, ISVs and ISOs who want to embed payments into their tech stack

    NMI Payments is an embedded payments solution that lets SaaS platforms, Software companies and ISVs integrate, brand, and manage payment acceptance directly within their software—without becoming a PayFac or building complex infrastructure. As a full-stack processor, acquirer, and technology partner, NMI handles onboarding, compliance, and risk so you can stay focused on growth. The modular, white-label platform supports omnichannel payments, from online, mobile and in-app to in-store and unattended. Choose from full-code, low-code, or no-code integration paths and launch in weeks, not months. Built-in risk tools, flexible monetization, and customizable branding help you scale faster while keeping full control of your experience. With NMI’s developer-first tools, sandbox testing, and modern APIs, you can embed payments quickly and confidently.
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  • 5
    OpenL2TP is an L2TP client/server written specifically for Linux. It has been designed for use as an enterprise L2TP VPN server or for use in commercial, Linux-based, embedded networking products.
    Leader badge
    Downloads: 43 This Week
    Last Update:
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  • 6
    SCREEM is a GNOME website / tag based html editor (ie not WYSIWYG) which aims not only to aid in creating web pages, but also to provide useful site maintainance facilities as well, including automatic link updating, and site upload facilities.
    Downloads: 9 This Week
    Last Update:
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  • 7
    uitags is an open source JSP custom-tag library that makes developing friendly user interface effortless. It aims to help developers create interactive UIs that let end-users work efficiently. It includes well-known UI components, such as optionTransfer.
    Downloads: 17 This Week
    Last Update:
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  • 8
    D+ Browser
    A graphical web browser with an emphasis on security, performance, and portability.
    Leader badge
    Downloads: 29 This Week
    Last Update:
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  • 9
    Prosper is a web application development framework to augment Prolog applications with a web interface. It supports control flow in visual logic and promotes a clear separation of model from view.
    Downloads: 23 This Week
    Last Update:
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  • DataImpulse - Ethical Provider of Residential, Mobile, and Data Center IPs Icon
    DataImpulse - Ethical Provider of Residential, Mobile, and Data Center IPs

    For anyone looking for residential proxies, mobile proxies, and datacenter proxies

    DataImpulse (dataimpulse.com) is a proxy provider offering a pool of over 90 million ethically sourced residential, mobile, and data center IP addresses from 195 countries. Pricing for residential proxies starts at $1 per GB with a pay-as-you-go model; there are no subscriptions or traffic expiration dates.
    Learn More
  • 10
    iStrip is a fully automated web-comic publishing system with support for strips, news, and various archive navigation methods. It is driven by the Smarty template engine so you can fully customize your site. It has a comprehensive web interface for admi
    Leader badge
    Downloads: 20 This Week
    Last Update:
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  • 11

    Proxy Checker

    A programm to check HTTP, HTTPS, SOCKS4 and SOCKS5 proxy servers.

    Requirements: .NET Framework 4.6.1 or higher.
    Downloads: 16 This Week
    Last Update:
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  • 12
    Firefox Extension for the MMOG Travian to show additional informations and easyer navigation.
    Downloads: 5 This Week
    Last Update:
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  • 13
    LinPHA is an easy to use, multilingual, flexible photo/image archive/album/gallery written in PHP. It uses a SQL database to store information about your pictures. It comes with a HTML based installer, so you don't need experience in setting up SQL
    Downloads: 3 This Week
    Last Update:
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  • 14
    DSP stands for Data Server Pages, the APACHE HTTP server module, that provides PL/SQL Server scripting with variable injection preprocessor and features an efficient authorization and authentication framework on the Oracle database backend.
    Downloads: 13 This Week
    Last Update:
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  • 15
    Simple Browser is a Windows-Application that is a web browser written entirely out of HTML, JavaScript and CSS. The source files are multi-platform and always available to be modified.. Simple Browser is great for use in any application in any language.
    Downloads: 13 This Week
    Last Update:
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  • 16
    Schedule manage the schedule parameters of your personal home page viewable in your browser.
    Downloads: 12 This Week
    Last Update:
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  • 17
    CSSTidy is a program that optimises, formats and fixes CSS code. It is both available as executeable file (written in C++) and as script for webpages (written in PHP). CSSTidy is currently maintained at: https://github.com/Cerdic/CSSTidy
    Downloads: 4 This Week
    Last Update:
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  • 18
    Web Geostatistics
    Web Geostatistics is an application that allows you to visualize data from various sources in a 3D environment. The main goal is to look nice and to produce simple but effective statistics of any kind of data that has an associated time and location.
    Downloads: 4 This Week
    Last Update:
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  • 19
    A fast and extremely lightweight graphical web browser for Windows, OS X, and Unix.
    Leader badge
    Downloads: 11 This Week
    Last Update:
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  • 20
    the authors of ibo found the base ideas of ibo in the much stronger http://www.djangoproject.com/. if you stumbled in ibo, do have a look at our documentation, but please consider checking django.
    Downloads: 11 This Week
    Last Update:
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  • 21
    Gamers.IRC

    Gamers.IRC

    Full mIRC MSL Script

    Gamers.IRC is a full MSL Script for mIRC, the most popular Windows IRC client. Gamers.IRC is for Windows 95 and higher. Source code: Download and run the installer. Open the .grc and .ini files with notepad.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 22
    SSL-Explorer is a fully-featured, web-based SSL VPN server. This project is no longer actively maintained as the SSL-Explorer technology has now been acquired by Barracuda Networks, Inc.
    Downloads: 3 This Week
    Last Update:
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  • 23
    PicoFlatCMS is a Contents Management System that use flat files as DB. Its target are hobbyst, small no profit organizations and people that need a little and easy to use Web pages. This flat file CMS can display web pages stored into remote hosting.
    Downloads: 10 This Week
    Last Update:
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  • 24
    polydown reads a list of URLs from a standard text-file (i.e. txt, rm, m3u), downloads them serially and optionally compares MD5 checksums. Supported protocols include HTTP and FTP.
    Downloads: 5 This Week
    Last Update:
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  • 25
    An easy to setup and use library and database for storing and retrieving articles on the web, with automatic cross-referencing.
    Downloads: 8 This Week
    Last Update:
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