Lemmy : Lemmy is a selfhosted social link aggregation and discussion platform. It is completely free and open, and not controlled by any company. This means t...
Gitea : Gitea is a community managed fork of Gogs, lightweight code hosting solution written in Go and published under the MIT license.
cal.com : Open source meeting scheduling tool. Send a link, let others book a slot. Calendly alternative.
bosh : BOSH is an open source tool for release engineering, deployment, lifecycle management, and monitoring of distributed systems.
poche : poche is a self hosted read-it-later app. unlike to other services, poche is free and open source.