GPL-2.0 License Open Source Tools

Closed-circuit television (CCTV) software application which supports IP, USB and Analog cameras.

Powerful and advanced CMS with a large community.

Email, calendar, collaboration server with Web interface and lots of integrations.

Open-source gallery and CMS project.

Graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.

Open Source on Springrts engine. Zero-K is a traditional real time strategy game with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play.

Peer based, decentralized search engine server.

Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API.

World’s most-used blogging and CMS engine.

Wiki, simple to use and install.

Cross-platform multimedia player client and server supporting most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols.

Modular, advanced and highly configurable IRC server written in C for Linux, BSD, Windows, and macOS.

Tuleap is a libre suite to plan, track, code and collaborate on software projects.

Web-based application to help you implement David Allen’s methodology.

Light-weight HTTP/HTTPS proxy daemon.

The Battle for Wesnoth is an Open Source, turn-based tactical strategy game with a high fantasy theme, featuring both singleplayer and online/hotseat multiplayer combat.

Flexible, elegant and easy-to-use CMS.

Lightweight document management system packed with all the features you can expect from big expensive solutions (Ex SismicsDocs).

Mailing list manager.

Caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages.

Another browser-based IMAP client.

A full web git interface with no javascript.

Video surveillance management system.

File hosting and sharing solution primary for teams and organizations.

Allow remote clients to access image acquisition devices (scanners) available on the local host.

Configurable open source project management, web-based application.

Fetches RSS/Atom-feeds and pushes new Content to any email-receiver, supports OPML.

RosarioSIS, free Student Information System for school management.

World’s most popular free, open source ad serving system. Formerly known as OpenX Adserver and phpAdsNew.

Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer.

Redmine is a flexible project management web application.

An enterprise-grade issue tracking system.

Simple media server software, with the aim of being fully compliant with DLNA/UPnP-AV clients. Formerly known as MiniDLNA.

Distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core.

Free cross-platform bittorrent client with a feature rich Web UI for remote access.

Non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk.

Upload files and assign them to specific clients you create. Give access to those files to your clients.

Random Password Generator.

Photo gallery software for the web, built by an active community of users and developers.

Flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website.

A lightweight, powerful, and flexible git-centric forge with features laying the foundation for federated and decentralized development.

Store and access data published by location tracking apps.

Manage, organize and archive all your support requests and responses in one place.

Open Source Social Network (OSSN) is a social networking software written in PHP. It allows you to make a social networking website and helps your members build social relationships, with people who share similar professional or personal interests.

Collaborative project to create a free editable map of the world.

OrangeHRM is a comprehensive HRM system that captures all the essential functionalities required for any enterprise.

OpenSIPS is an Open Source SIP proxy/server for voice, video, IM, presence and any other SIP extensions.

Open eClass is an advanced e-learning solution that can enhance the teaching and learning process.

Securely and anonymously share a file of any size.

Web analytics framework that lets you stay in control of how you instrument and analyze the use of your websites and applications.

A content request system for Plex/Emby, connects to SickRage, CouchPotato, Sonarr, with a growing feature set.

Server application for geocoding (address -> coordinates) and reverse geocoding (coordinates -> address) on OpenStreetMap data.

Free, portable and lightweight Internet Relay Chat server for small or private networks.

Nextcloud preinstalled and preconfigured, with a text and web management interface and all the tools needed to self host private data. With installation images for Raspberry Pi, Odroid, Rock64, Docker, and a curl installer for Armbian/Debian.

Simple way to manage your todo list in AJAX style. Uses PHP, jQuery, SQLite/MySQL. GTD compliant.

Music streaming server with GUI management tools. Runs on Mac, Windows, and Linux.

Daemon to remotely play music, stream music, handle and organize playlists. Many clients available.

Mobile messaging platform with a focus on performance and scalability.

Misago is fully featured modern forum application that is fast, scalable and responsive.

MODX is an advanced content management and publishing platform. The current version is called ‘Revolution’.

MediaWiki is a free and open-source wiki software package written in PHP. It serves as the platform for Wikipedia and the other Wikimedia projects, used by hundreds of millions of people each month.

Self hosted bug tracker, fits best for software development.

Full-text search and data analytics, with fast response time for small, medium and big data (alternative to Elasticsearch).

Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration.

Limbas is a database framework for creating database-driven business applications. As a graphical database frontend, it enables the efficient processing of data stocks and the flexible development of comfortable database applications.

Feature-rich Open Source web based polling software. Supports extensive survey logic.

Leantime is a lean project management system for small teams and startups helping to manage projects from ideation through delivery.

Integrated accounting and ERP system for small and midsize businesses, with double entry accounting, budgeting, invoicing, quotations, projects, orders and inventory management, shipping and more.

Multimedia/Entertainment center, formerly known as XBMC. Runs on Android, BSD, Linux, macOS, iOS and Windows.

Media server for audio, video, books, comics, and photos with a sleek interface and robust transcoding capabilities. Almost all modern platforms have clients, including Roku, Android TV, iOS, and Kodi.

Modular SIP server (registrar/proxy/router/etc).

Advanced Content Management System (CMS).

Modular IRC server written in C++ for Linux, BSD, Windows, and macOS.

Anonymously share files, browse and publish (web sites accessible only through Hyphanet) and chat on forums.

Streaming audio/video server which can be used to create an Internet radio station or a privately running jukebox and many things in between.

Assets management and booking for small/medium companies.

Real-time web log analyzer and interactive viewer that runs in a terminal.

Gitolite allows you to setup git hosting on a central server, with fine-grained access control and many more powerful features.

Wiki program that stores pages and uploaded files in a git repository, which can then be modified using the VCS command line tools or the wiki’s web interface.

Genealogy software. It comes with a Web interface and can be used off-line or as a Web service.

Gerbera is an UPnP Media Server. It allows you to stream your digital media throughout your home network and listen to/watch it on a variety of UPnP compatible devices.

Web-based open source GUI that controls and manages Asterisk.

A lightweight, easy-to-set-up flat-file blogging engine.

Web-based farm record keeping application.

Highly-scalable software for libraries that helps library patrons find library materials, and helps libraries manage, catalog, and circulate those materials.

XMPP instant messaging server.

Powerful open source social networking engine.

Software suite including calendars, address books, notepad, project management tools, client relationship management tools (CRM), knowledge management tools, a wiki and a CMS.

Drupal Commerce is a popular e-commerce module for Drupal CMS, with support for dozens of payment, shipping, and shopping related modules.

Take control over your blog.

Advanced open source content management platform.

Easy to use, lightweight, standards-compliant wiki engine with a simple syntax allowing reading the data outside the wiki. All data is stored in plain text files, therefore no database is required.

A system for running a programming contest, like the ICPC regional and world championship programming contests.

Advanced forum / community solution based on Ruby and JS.

Dim is a self-hosted media manager fueled by dark forces. With minimal setup, Dim will organize and beautify your media collections, letting you access and play them anytime from anywhere.

Minimal Debian OS optimized for single-board computers, which allows you to easily install and manage several services for selfhosting at home.

Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store.

Web-based list management system that can be used for announcement lists and/or discussion lists.

The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network printers.

Create conference and event websites built on top of Drupal.