• Newspipe: a web-based news aggregator and reader.
• Freshermeat: an open source software directory and release tracker.
• Grenouille: an online service for weather data.

• Stegano: a pure Python Steganography module.
• Guardian: monitor the status of a set of services.
• pyHIDS: a simple HIDS.

The Open Shelter Database aims at creating a platform to collect and share with the widest possible audience, key information on humanitarian shelters, including the contacts of the organizations behind them.

Developed for the Netherlands Red Cross.

• EV3WebController: provides a Web interface in order to control the EV3 robot.

• IP-Link: the goal of IP-Link is to see the relationships between different IP from network traffic capture.

• Jack Says: a web-based multiplayer game. It's a “Simon Says”-like (Jacques a dit in french) in which you need to follow the instruction given by Jack;
• Minesweeper 3K is an original implementation of the classic game of mines;
• a pacman game server.

• Trovebox
• PRIMO
• pySecret: a simple Python Cryptography Toolkit (Caesar, Vigenere, Affine, Permutation, Substitution, Hill, RSA, ElGamal);
• pyLock: a secure lock for SSH.
• GoTalk: a Go chat server;
• Balloon: an alternative to DropBox with file version control. It is based on Mercurial;
• pyChatter: an instant messaging software written in Python. The architecture of pyChatter is based on the SPADE MAS platform;
• bPlog: Backpacker's Log (bPlog) is a kind of web log (not a blog) for hikers, travelers. You can log your current position with your smartphone (Android, etc.) or with other devices;
• MONARC, an Optimised Risk Assessment Methodology;
• MOSP, a platform for creating, editing and sharing JSON objects.

• SourceHut;
• GitHub, Bitbucket and GitLab;
• personal Hg repositories and personal Git repositories.

There is also a page dedicated to computer science languages I appreciate.