Zim Wiki - Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.

CryptPad - CryptPad is a collaborative office suite that is end-to-end encrypted and open-source.

TiddlyWiki - a non-linear personal web notebook

Etherpad - Etherpad is a highly customizable Open Source online editor providing collaborative editing in...

VoodooPad - VoodooPad is a personal wiki developed for the Mac OS. It lets users create a personal wiki by giving them the ability to manage a network of pages right from the desktop.

Firepad - Open source collaborative code and text editing that relies on Firebase for real-time data...