Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
OneBar - AI-powered Q&A knowledge base for Slack teams
Pocket - When you find something you want to view later, put it in Pocket.
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.