ShareAccount - Share your account without giving out your password
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
Notopass - Share your accounts without giving username/password
TiddlyWiki - a non-linear personal web notebook
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
Confluence - Confluence is content collaboration software that changes how modern teams work