Welcome to Python.org

The official home of the Python Programming Language

VideoLAN - VLC: Official site - Free multimedia solutions for all OS!

VLC: Official site - Free multimedia solutions for all OS!

Jitsi.org - develop and deploy full-featured video conferencing

Free open-source video conferencing for web & mobile. Make a call, launch on your own servers in minutes, integrate into your app, or develop something new

Eclipse - The Eclipse Foundation open source community website.

Debian -- The Universal Operating System

Debian is an operating system and a distribution of Free Software. It is maintained and updated through the work of many users who volunteer their time and effort.

Notepad++ Home

Notepad++: a free source code editor which supports several programming languages running under the MS Windows environment.

TensorFlow

An open-source software library for Machine Intelligence

Moodle - Open-source learning platform | Moodle.org

Moodle is a Learning Platform or course management system (CMS) - a free Open Source software package designed to help educators create effective online courses based on sound pedagogical principles. You can download and use it on any computer you have handy (including webhosts), yet it can scale from a single-teacher site to a 200,000-student University. Moodle has a large and diverse user community with over 75,000 installations worldwide speaking over 100 languages in 200 countries.

BigBlueButton - Open Source Web Conferencing

An HTML5-based open-source application that enables teachers to engage and collaborate with their students online through chat, audio, video and much more!

XAMPP Installers and Downloads for Apache Friends

XAMPP is an easy to install Apache distribution containing MariaDB, PHP and Perl.

Joomla! The CMS Trusted By Millions for their Websites

Joomla! is the mobile-ready and user-friendly way to build your website. Choose from thousands of features and designs. Joomla! is free and open source.

FileZilla - The free FTP solution

FileZilla - The free FTP solution for both client and server. Filezilla is open source software distributed free of charge.

Draw Freely | Inkscape

Inkscape is professional quality vector graphics software which runs on Linux, Mac OS X and Windows desktop computers.

MuseScore | Free music composition and notation software

Create, play back and print beautiful sheet music with free and easy to use music notation software MuseScore. For Windows, Mac and Linux.

Code::Blocks

Codeblocks is a cross-platform IDE built around wxWidgets, designed to be extensible and configurable. Runs on Windows and Linux.

OpenShot Video Editor | Simple, powerful, and free video editor for Linux!

A simple, powerful, and free open-source video editor for Linux with a focus on usability, flexibility, and style.

The Linux Documentation Project

The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.

Home · MPC-HC

MPC-HC, the free, open source media player for Windows

CakePHP - Build fast, grow solid | PHP Framework | Home

CakePHP is an open-source web, rapid development framework that makes building web applications simpler, faster and require less code. It follows the model–view–controller (MVC) . Manual for beginners now available and links towards the last version.

Miraheze

Miraheze is an open source project that offers free MediaWiki hosting, for everyone. Request your free wiki today!

Collect, Manage, Visualize and Explore your Data | DHIS2

DHIS 2 is the flexible, web-based open-source information system with awesome visualization features including GIS, charts and pivot tables.

OpenGenus Foundation

OpenGenus Foundation, one of the largest open-source communities in the World focussed on enabling people to work offline for a longer stretch, making search generation and discussion specific and making research more accessible

Font Library

Font Library is all fonts. Free Downloads and Quality Support.

The Open GApps Project

OpenGApps.org offers information and pre-built packages of The Open GApps Project. The Open GApps Project is an open-source effort to script the automatic generation of up-to-date Google Apps packages. All Android versions and platforms supported.

Markdown Guide

A free and open-source reference guide that explains how to use Markdown.

Dolibarr Open Source ERP and CRM - Web suite for business

Web based ERP and CRM Open Source software to manage a professional or foundation activity (sme, freelancers or large companies): quotation or commercial proposals, invoices, products, contacts, agenda, orders, purchases, stocks, emailings, CMS, POS

The TYPO3 Project and Community – Open Source CMS

TYPO3 is a free enterprise-class CMS based on PHP. It combines open source code with reliability and true scalability. This is the official project website.

Home - Bioinformatics.org

Bioinformatics community open to all people. Strong emphasis on open access to biological information as well as Free and Open Source software.

Sentora - The open-source web hosting control panel.

Sentora is an open-source web hosting control panel built specifically to work on a variety of Linux distributions. Sentora is licensed under the GPL and is a separately maintained fork of the original ZPanel project.

Robo 3T | Free, open-source MongoDB GUI (formerly Robomongo)

Robo 3T (formerly Robomongo) is the free, lightweight, open-source MongoDB GUI with an embedded mongo shell, real auto-completion, and support for MongoDB 4.0.

FreeRTOS - Market leading RTOS (Real Time Operating System) for embedded systems with Internet of Things extensions

RTOS - FreeRTOS is a truly free professional grade RTOS for microcontrollers that supports 35 MCU architectures and become a market leader. A Portable, open source, mini Real Time kernel. A free RTOS for small embedded real time systems

Doctrine: PHP Open Source Project

The Doctrine Project is an open-source PHP project that is home to home to several PHP libraries primarily focused on database storage and object mapping. The core projects are the Object Relational Mapper (ORM) and the Database Abstraction Layer (DBAL) it is built upon.

Angry IP Scanner - the original IP scanner for Windows, Mac and Linux

The original IP scanner for Windows, Max and Linux. Fast, friendly, extensible, free and open-source. Scans addresses and ports in any range and exports results in many formats.

Fossies - The Fresh Open Source Software Archive

Fossies - The Fresh Open Source Software archive with special browsing features

Mixxx - Free DJ Mixing Software App

Download the most advanced FREE DJ software available, featuring iTunes integration, MIDI controller support, internet broadcasting, and integrated music library.

openmediavault - The open network attached storage solution

openmediavault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, AFS, UPnP media server, DAAP media server, RSync, BitTorrent client and many more.

Home | IOTA

IOTA has re-engineered the principles of existing distributed ledger technology to provide a fee-less, open-source, secure data and financial exchange protocol for everyone

Home - Qtum

Qtum is an open-sourced blockchain application platform. Qtum utilizes the UTXO model, solidity smart contracts, and proof-of-stake consensus to support a broad array of industries and use cases.

Stellarium Astronomy Software

Stellarium is a planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free.

Netlify CMS | Open-Source Content Management System

Open source content management for your Git workflow

Firebird: The true open source database for Windows, Linux, Mac OS X and more

Firebird SQL: The true open-source relational database

Synfig – Free and open-source animation software

Welcome | EngineHub

Open-source mods for and by the Minecraft community

WinMerge - You will see the difference…

WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

Twine / An open-source tool for telling interactive, nonlinear stories

Front Page | ReactOS Project

ReactOS is a free, opensource reimplementation of windows

Best of JavaScript

Check out the most popular open-source projects and the latest trends about the web platform and Node.js.

The Web's Largest Community Tracking Online Fraud & Abuse | Project Honey Pot

A free, distributed, open-source project to help website administrators track, stop, and prosecute spam harvesters stealing email addresses from their sites.

OpenEMR

The world's leading open-source electronic medical record and practice management software.

OpenRCT2 project

OpenRCT2 is the open-source adaption of the classic hit RollerCoaster Tycoon 2. The goal is to replace all game code with open-source code and extend the game with new features.

SageMath - Open-Source Mathematical Software System

The MacPorts Project -- Home

The MacPorts Project is an open-source community initiative to design an easy-to-use system for compiling, installing, and upgrading either command-line, X11 or Aqua based open-source software on the Mac OS X operating system.

django CMS - Enterprise Content Management with Django - django CMS

Enterprise Content Management with Django The open-source CMS used by thousands of websites since 2007

Snort - Network Intrusion Detection & Prevention System

Snort is an open-source, free and lightweight network intrusion detection system (NIDS) software for Linux and Windows to detect emerging threats.