FishNet - Unity Networking Evolved.
A feature-rich Unity networking solution aimed towards reliability, ease of use, efficiency, and flexibility.
Developed by a professional game designer, supported by the community.
Asset Store: https://assetstore.unity.com/packages/tools/network/fish-net-networking-evolved-207815
Documentation and Addons: https://fish-networking.gitbook.io/docs/
Discord: https://discord.gg/fishnetworking
Donation Options
Github sponsor (preferred): https://github.com/sponsors/FirstGearGames
Gofundme: https://www.gofundme.com/f/fishnet