Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Tealfeed - A knowledge sharing platform to empower creators
Diem - Diem is a knowledge-sharing platform and digital safe space built for women and non-binary people.
Noat Cards - A knowledge learning and sharing platform
Lunyr - A decentralized crowdsourced encyclopedia.
bundleIQ - Grammarly for knowledge