nio is a multilayered Matrix client library. The underlying base layer doesn't do any network IO on its own, but on top of that is a full-fledged batteries-included asyncio layer using aiohttp. File IO is only done if you enable end-to-end encryption (E2EE).

Documentation The full API documentation for nio can be found at readthedocs

Features nio has most of the features you'd expect in a Matrix library, but it's still a work in progress.

✅ transparent end-to-end encryption (EE2E)
✅ encrypted file uploads & downloads
✅ space parents/children
✅ manual and emoji verification
✅ custom authentication types
✅ threading support
✅ well-integrated type system
✅ knocking, kick, ban and unban
✅ typing notifications
✅ message redaction
✅ token based login
✅ user registration
✅ read receipts
✅ live syncing
✅ m.reactions
✅ m.tags
❌ cross-signing support
❌ server-side key backups (room key backup, "Secure Backup")
❌ user deactivation (#112)
❌ in-room emoji verification