- Active Agenda : Active Agenda is a web application for the management of risk. It is also a highly iterative, rapidly customizable, collaborative communication framework.
- Ansible : Ansible is an Open Source software provisioning, configuration management, and application-deployment tool enabling infrastructure as code.
- Arduino : Arduino is an Open Source hardware and software company, project, and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital devices.
- Atom : Atom is a free and Open Source text and source code editor for macOS, Linux, and Microsoft Windows with support for plug-ins written in Node.js, and embedded Git Control.
- Audacity : Audacity is an easy-to-use, multi-track audio editor and recorder for Windows, macOS, GNU/Linux, and other operating systems.
- Blender : Blender is the free and Open Source 3D creation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, video editing, and 2D animation pipeline.
- CryptPad : CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.
- Docker : Docker is a tool designed to make it easier to create, deploy, and run applications by using containers. Containers allow a developer to package up an application with all of the parts it needs, such as libraries and other dependencies, and deploy it as one package.
- Drupal : Drupal is a scalable, open platform for web content management and digital experiences. It provides deep capabilities and endless flexibility on the web.
- Elasticsearch : Elasticsearch is a distributed, Open Source search and analytics engine for all types of data, including textual, numerical, geospatial, structured, and unstructured.
- FileZilla : FileZilla is a free file transfer protocol (FTP) client that allows you to manage server file systems remotely.
- Firefox : Firefox is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, Mozilla Corporation.
- Franz : Franz is your open source messaging app for WhatsApp, Facebook Messenger, Slack, HipChat, Telegram, and many many more.
- FreeCodeCamp : FreeCodeCamp is a non-profit organization that consists of an interactive learning web platform, an online community forum, chat rooms, online publications, and local organizations that intend to make learning web development accessible to anyone.
- GIMP : GIMP is a free and Open Source raster graphics editor used for image retouching and editing, free-form drawing, converting between different image formats, and more specialized tasks.
- Gitlab : Gitlab is a web-based DevOps lifecycle tool that provides a Git-repository manager providing wiki, issue-tracking, and continuous integration/continuous deployment pipeline features, using an Open Source license.
- Google : Google Summer of Code is a global program focused on bringing more student developers into Open Source software development. Students work with an Open Source organization on a 3-month programming project during their break from school.
- Gradle : Gradle is an open-source build automation system that builds upon the concepts of Apache Ant and Apache Maven and introduces a Groovy-based domain-specific language instead of the XML form used by Maven for declaring the project configuration
- Grafana : Grafana is multi-platform Open Source analytics and interactive visualization web application. It provides charts, graphs, and alerts for the web when connected to supported data sources.
- H5P : H5P makes it easy to create, share, and reuse HTML5 content and applications. H5P empowers everyone to create rich and interactive web experiences more efficiently.
- HandBrake : HandBrake is a tool for converting video from nearly any format to a selection of modern, widely supported codecs.
- Inkscape : To create icons and graphics.
- Jenkins : Jenkins is an Open Source automation server that enables developers around the world to reliably build, test, and deploy their software.
- Jitsi : Jitsi is a collection of free and Open Source multiplatform voice (VoIP), videoconferencing and instant messaging applications for the web platform, Windows, Linux, macOS, iOS and Android.
- Jmol : Jmol is a free, Open Source viewer of molecular structures useful for students, educators, and researchers in chemistry, biochemistry, and other fields dealing with molecular structure.
- KNIME : KNIME is a free and open-source data analytics, reporting, and integration platform. KNIME integrates various components for machine learning and data mining through its modular data pipelining concept.
- Kubernetes : Kubernetes is an Open Source system for automating deployment, scaling, and management of containerized applications.
- LibreOffice : LibreOffice is a free and open-source office suite, a project of The Document Foundation. Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity.
- Linphone : Linphone is an Open Source SIP client for HD voice/video calls, 1-to-1 and group instant messaging, conference calls, etc.
- Linux : Linux is the best-known and most-used Open Source operating system. As an operating system, Linux is software that sits underneath all of the other software on a computer, receiving requests from those programs and relaying these requests to the computer’s hardware.
- MAME : MAME (originally an acronym of Multiple Arcade Machine Emulator) is a free and open-source emulator designed to recreate the hardware of arcade game systems in software on modern personal computers and other platforms.
- Mantis : Mantis Bug Tracker is a free and Open Source issue tracker that provides a delicate balance between simplicity and power. Users are able to get started in minutes and start managing their projects while collaborating with their teammates and clients effectively.
- Mastodon : Mastodon is a large social media network built as a decentralized federation of independently operated servers. It has a strong focus on privacy and anti-abuse features.
- Matrix : Matrix is an Open Source project that publishes the Matrix open standard for secure, decentralized, real-time communication and its Apache-licensed reference implementations.
- Mautic : Mautic is an Open Source marketing automation software that helps online businesses automate their repetitive marketing tasks such as lead generation, contact scoring, contact segmentation, marketing campaigns, etc.
- Moodle : Moodle is a learning platform designed to provide educators, administrators, and learners with a single robust, secure, and integrated system to create personalized learning environments.
- Mycroft : Mycroft is an Open Source voice assistant, that can be installed on Linux, Raspberry Pi, or on the Mark 1 hardware device.
- Natron : Natron is a free and Open Source node-based compositing application. Its robust OIIO file formats and OpenFX architecture is what makes Natron the most flexible Open Source compositor for the visual effects community.
- Nextcloud : Nextcloud is a suite of client-server software for creating and using file hosting services. Access & collaborate across your devices.
- Nginx : Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy, and HTTP cache.
- OBS : Open Broadcaster Software. Used for recording videos and live streaming with the HubOpenSource from Systematic Paris région
- OnlyOffice : OnlyOffice is a free software office suite featuring online document editors, a platform for document management, corporate communication, mail, and project management tools.
- Open : Open Source Guides is a collection of resources for individuals, communities, and companies who want to learn how to run and contribute to an Open Source project.
- OpenProject : OpenProject is a web-based project management system for location-independent team collaboration.
- Passbolt : Passbolt is an Open Source password manager for teams. It allows your team to securely share and store credentials.
- Percona : Percona provides single-source expertise in multi-vendor environments that eliminates lock-in, increases agility, and enables business growth.
- PostgreSQL : PostgreSQL is a powerful, Open Source object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
- Quay : Quay is a container image registry that enables you to build, organize, distribute, and deploy containers.
- RasperryPi : Great Open Source hardware which can be used to build free software based synchronized speakers
- Riot : Riot.im is a free and Open Source software instant messaging client based on the Matrix protocol and is distributed under the Apache License 2.0.
- Snapcast : Open Source software to synchronize sound accross multiple devices. This is a very interesting replacement for Sonos !
- Solr : Solr is the popular, blazing-fast, Open Source enterprise search platform built on Apache Lucene. It enables you to easily create a search engine that searches websites, databases, and files.
- Sugar : Sugar Labs is a community-run software project whose mission is to produce, distribute, and support the use of Sugar, an Open Source desktop environment and learning platform.
- Thunderbird : Thunderbird is a free and Open Source cross-platform email client, news client, RSS, and chat client developed by the Mozilla Foundation.
- Tuleap : Tuleap is an Open Source Suite to improve the management of software developments and collaboration. With a single web-based solution, project managers, developers & quality managers can easily build, deploy software projects.
- Ubuntu : Ubuntu is an Open Source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
- Vaadin : Vaadin is an Open Source web framework that helps Java developers build great user experiences with minimal effort.
- Wireshark : Wireshark is a free and Open Source packet analyzer. It is used for network troubleshooting, analysis, software and communications protocol development, and education.
- XCP : XCP-ng is a high-performance enterprise-level virtualization platform with a rich ecosystem.
- XMPP : XMPP is the Extensible Messaging and Presence Protocol, a set of open technologies for instant messaging, presence, multi-party chat, voice and video calls, collaboration, lightweight middleware, content syndication, and generalized routing of XML data.
- XWiki : I like it because it's the best software in the universe... and also because I helped build it
- YottaDB : YottaDB is a new kind of database company, delivering a proven database engine to your application, enhancing simplicity, security, stability & scalability.
- Zabbix : Zabbix is a mature and effortless enterprise-class open source monitoring solution for network monitoring and application monitoring of millions of metrics.
- uPortal : uPortal is an Open Source enterprise portal framework built by and for higher education institutions, K-12 schools, and research communities.
- wolfSSL : wolfSSL focuses on providing lightweight and embedded security solutions with an emphasis on speed, size, portability, features, and standards compliance.