Zulip : Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conve...
ntfy : Send push notifications to your phone or desktop using PUT/POST
Ovidentia : Ovidentia vous permet d'intégrer simplement et facilement un environnement de publication sur internet ou un portail groupware (internet, extranet, in...
Jitsi : Jitsi is a set of open-source projects that allows you to easily build and deploy secure videoconferencing solutions. At the heart of Jitsi are Jitsi ...
Matrix : Matrix is an open standard for decentralised communication, providing simple HTTP APIs and open source reference implementations for securely distribu...
Open source emojis for designers, developers and everyone else!