Open-source and local-first Slack and Notion alternative that puts you in control of your data.




Open-source and local-first Slack and Notion alternative that puts you in control of your data.




Transform your learning with AI-enhanced, personalised flashcards and seamless device synchronisation—anytime, anywhere.




Yjs is a CRDT implementation that exposes its internal data structure as shared types. Shared types are common data types like Map or Array with superpowers: changes are automatically distributed to other peers and merged without merge conflicts.