Simple & Free
Wiki Software

BookStack is a simple, self-hosted, easy-to-use platform for organising and storing information.

The best platform to write and share markdown.

HedgeDoc (formerly known as CodiMD) is an open-source, web-based, self-hosted, collaborative markdown editor.

You can use it to easily collaborate on notes, graphs and even presentations in real-time. All you need to do is to share your note-link to your co-workers and they’re ready to go.

/ Unkommerzieller Anbieter für datenschutzfreundliche Kommunikation. Ganz ohne Überwachung. /

“Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.”

CryptPad 3.14.0 has been deployed to and released on GitHub (). We'v…

Mozilla TowTruck - realtime collaboration on any site: Comments:

RT @nfedyashev: Whenever somebody sends you a pull request, give them commit access to your project.

Part intranet, part do-it-yourself project
with a kick of open source hotness

KARL is an open source web system for collaboration, organizational intranets, and knowledge management. It is produced by the Open Society Institute (OSI) and used by OSI and others

An easy way to find out when everyone is free for your next meeting or event.