JoinDiaspora - JoinDiaspora is a privacy-aware, distributed, open source social network which are open to anyone.
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
Apache JSPWiki - Apache JSPWiki is an open source Wiki engine, feature-rich and built around standard JEE components.
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
SquadHelp - SquadHelp is a website that helps users to get the fastest way to name their App, company, business, startup, product, or brand.
TiddlyWiki - a non-linear personal web notebook