ShareAccount - Share your account without giving out your password
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
Notopass - Share your accounts without giving username/password
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
TiddlyWiki - a non-linear personal web notebook
Stealthy: Secret Messenger - Chat anonymously with friends & strangers