Best open-source C# projects

Backend server for Bitwarden clients, providing the APIs, SQL Server database and Docker deployment for the password manager.

Allocation-free tween library for Unity that animates properties, delays and sequences with one line of code.

A C# program that generates bitmaps and tilemaps locally similar to a single input example, using the Wave Function Collapse algorithm.

Unity ML-Agents Toolkit lets Unity games and simulations serve as environments for training AI agents with reinforcement and imitation learning.

Free, open-source Windows optimization tool with 42 tweaks, a settings panel, and built-in tools for startup, scheduled tasks, and cleanup.