Noat Cards - A knowledge learning and sharing platform
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.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Inverse - Team conversations and knowledge sharing on any webpage
Utilo - An incentivized knowledge sharing platform.