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@Cysharp

Cysharp, Inc.

Cysharp is a subsidiary of Cygames, that is focusing C# both .NET and Unity.

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  1. UniTask UniTask Public

    Provides an efficient allocation free async/await integration for Unity.

    C# 10.4k 964

  2. ZLinq ZLinq Public

    Zero allocation LINQ with LINQ to Span, LINQ to SIMD, and LINQ to Tree (FileSystem, JSON, GameObject, etc.) for all .NET platforms and Unity, Godot.

    C# 4.8k 199

  3. MagicOnion MagicOnion Public

    Unified Realtime/API framework for .NET platform and Unity.

    C# 4.3k 459

  4. MemoryPack MemoryPack Public

    Zero encoding extreme performance binary serializer for C# and Unity.

    C# 4.3k 277

  5. R3 R3 Public

    The new future of dotnet/reactive and UniRx.

    C# 3.5k 150

  6. ZString ZString Public

    Zero Allocation StringBuilder for .NET and Unity.

    C# 2.7k 179

Repositories

Showing 10 of 47 repositories
  • RandomFixtureKit Public

    Fill random/edge-case value to target type for unit testing, supports both .NET Standard and Unity.

    Cysharp/RandomFixtureKit’s past year of commit activity
    C# 56 MIT 2 0 1 Updated Jan 5, 2026
  • NativeMemoryArray Public

    Utilized native-memory backed array for .NET and Unity - over the 2GB limitation and support the modern API(IBufferWriter, ReadOnlySequence, scatter/gather I/O, etc...).

    Cysharp/NativeMemoryArray’s past year of commit activity
    C# 323 MIT 18 0 1 Updated Jan 5, 2026
  • MemoryPack Public

    Zero encoding extreme performance binary serializer for C# and Unity.

    Cysharp/MemoryPack’s past year of commit activity
    C# 4,288 MIT 277 71 12 Updated Jan 5, 2026
  • AIApiTracer Public

    A reverse proxy for local development environments that intercepts requests to AI services like OpenAI, Anthropic, etc.., allowing you to trace request and response content.

    Cysharp/AIApiTracer’s past year of commit activity
    C# 39 MIT 3 0 1 Updated Jan 5, 2026
  • StructureOfArraysGenerator Public

    Structure of arrays source generator to make CPU Cache and SIMD friendly data structure for high-performance code in .NET and Unity.

    Cysharp/StructureOfArraysGenerator’s past year of commit activity
    C# 320 MIT 13 0 1 Updated Jan 5, 2026
  • DFrame Public

    Distributed load testing framework for .NET and Unity.

    Cysharp/DFrame’s past year of commit activity
    C# 257 MIT 24 1 2 Updated Jan 5, 2026
  • GrpcWebSocketBridge Public

    Yet Another gRPC over HTTP/1 using WebSocket implementation, primarily targets .NET platform.

    Cysharp/GrpcWebSocketBridge’s past year of commit activity
    C# 111 MIT 15 1 1 Updated Jan 5, 2026
  • csbindgen Public

    Generate C# FFI from Rust for automatically brings native code and C native library to .NET and Unity.

    Cysharp/csbindgen’s past year of commit activity
    Rust 865 MIT 73 3 1 Updated Jan 5, 2026
  • Kokuban Public

    Simplifies styling strings in the terminal for .NET application.

    Cysharp/Kokuban’s past year of commit activity
    C# 166 3 2 1 Updated Jan 5, 2026
  • Ulid Public

    Fast .NET C# Implementation of ULID for .NET and Unity.

    Cysharp/Ulid’s past year of commit activity
    C# 1,598 MIT 68 5 5 Updated Jan 5, 2026
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