cal.com : Open source meeting scheduling tool. Send a link, let others book a slot. Calendly alternative.
Cachet : Beautiful & simple service statuses. The open source status page system, for everyone.
Pyroscope : Pyroscope is an open source continuous profiling platform. It will help you:
Find performance issues in your code
Resolve issues with high CPU utiliz...
Open Streaming Platform : Open Streaming Platform (OSP) is an open-source, RTMP streamer software front-end for Arut's Nginx-RTMP Module. OSP was designed as a self-hosted alte...
Mattermost : Mattermost is a self-hosted solution for bringing all your team communication to one place, and making it searchable and accessible anywhere
Lemmy is a selfhosted social link aggregation and discussion platform. It is completely free and open, and not controlled by any company. This means that there is no advertising, tracking, or secret algorithms.