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.

Wiki on a Stick - Self-contained desktop wiki

ConnectedText - ConnectedText is a powerful but simple information management system.

TiddlyWiki - a non-linear personal web notebook

Torchpad - Wiki farm with markdown based wikis.

Fandom - The entertainment site where fans come first.