Repositories list

• MagicOnion

  Public

  Cysharp/MagicOnion’s past year of commit activity
  Unified Realtime/API framework for .NET platform and Unity.

  c-sharpstreamingunity+ 3

  c-sharpstreamingunityswaggergrpcrpc

  C#

  •

  MIT License

  •458•4.3k•5•1•Updated Mar 10, 2026Mar 10, 2026

• AIApiTracer

  Public

  Cysharp/AIApiTracer’s past year of commit activity
  A reverse proxy for local development environments that intercepts requests to AI services like OpenAI, Anthropic, etc.., allowing you to trace request and resp…

  aicsharpdotnet

  aicsharpdotnet

  C#

  •

  MIT License

  •4•42•0•1•Updated Mar 6, 2026Mar 6, 2026

• Actions

  Public

  Cysharp/Actions’s past year of commit activity
  C#

  •10•65•0•0•Updated Mar 4, 2026Mar 4, 2026

• NativeCompressions

  Public

  Cysharp/NativeCompressions’s past year of commit activity
  NativeCompressions is the native binding and high-level API of ZStandard, LZ4 and OpenZL compression library for .NET and Unity.

  C#

  •

  MIT License

  •7•218•2•1•Updated Mar 3, 2026Mar 3, 2026

• DFrame

  Public

  Cysharp/DFrame’s past year of commit activity
  Distributed load testing framework for .NET and Unity.

  C#

  •

  MIT License

  •25•270•0•0•Updated Feb 26, 2026Feb 26, 2026

• ZString

  Public

  Cysharp/ZString’s past year of commit activity
  Zero Allocation StringBuilder for .NET and Unity.

  C#

  •

  MIT License

  •182•2.7k•2•3•Updated Feb 25, 2026Feb 25, 2026

• ZLogger

  Public

  Cysharp/ZLogger’s past year of commit activity
  Zero Allocation Text/Structured Logger for .NET with StringInterpolation and Source Generator, built on top of a Microsoft.Extensions.Logging.

  C#

  •

  MIT License

  •123•1.7k•10•9•Updated Feb 25, 2026Feb 25, 2026

• ZLinq

  Public

  Cysharp/ZLinq’s past year of commit activity
  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-sharplinqunity

  c-sharplinqunity

  C#

  •

  MIT License

  •204•5k•2•0•Updated Feb 25, 2026Feb 25, 2026

• YetAnotherHttpHandler

  Public

  Cysharp/YetAnotherHttpHandler’s past year of commit activity
  YetAnotherHttpHandler brings the power of HTTP/2 (and gRPC) to Unity and .NET Standard.

  csharpunitydotnet+ 1

  csharpunitydotnetgrpc

  C#

  •

  MIT License

  •43•492•18•0•Updated Feb 25, 2026Feb 25, 2026

• WebSerializer

  Public

  Cysharp/WebSerializer’s past year of commit activity
  Convert Object into QueryString/FormUrlEncodedContent for C# HttpClient REST Request.

  C#

  •

  MIT License

  •6•78•1•0•Updated Feb 25, 2026Feb 25, 2026

• ValueTaskSupplement

  Public

  Cysharp/ValueTaskSupplement’s past year of commit activity
  Append supplemental methods(WhenAny, WhenAll, Lazy) to ValueTask.

  C#

  •

  MIT License

  •7•160•0•0•Updated Feb 25, 2026Feb 25, 2026

• Utf8StringInterpolation

  Public

  Cysharp/Utf8StringInterpolation’s past year of commit activity
  Successor of ZString; UTF8 based zero allocation high-peformance String Interpolation and StringBuilder.

  C#

  •

  MIT License

  •12•211•1•0•Updated Feb 25, 2026Feb 25, 2026

• Utf8StreamReader

  Public

  Cysharp/Utf8StreamReader’s past year of commit activity
  Utf8 based StreamReader for high performance text processing.

  C#

  •

  MIT License

  •10•243•1•0•Updated Feb 25, 2026Feb 25, 2026

• UnitGenerator

  Public

  Cysharp/UnitGenerator’s past year of commit activity
  C# Source Generator to create value-object, inspired by units of measure.

  C#

  •

  MIT License

  •22•397•2•0•Updated Feb 25, 2026Feb 25, 2026

• UniTask

  Public

  Cysharp/UniTask’s past year of commit activity
  Provides an efficient allocation free async/await integration for Unity.

  taskcsharpunity+ 2

  taskcsharpunitythreadcoroutine

  C#

  •

  MIT License

  •974•11k•19•5•Updated Feb 25, 2026Feb 25, 2026

• Ulid

  Public

  Cysharp/Ulid’s past year of commit activity
  Fast .NET C# Implementation of ULID for .NET and Unity.

  C#

  •

  MIT License

  •68•1.6k•5•4•Updated Feb 25, 2026Feb 25, 2026

• ToonEncoder

  Public
  High performance Token-Oriented Object Notation (TOON) encoder for .NET.

  C#

  •

  MIT License

  •6•108•0•0•Updated Feb 25, 2026Feb 25, 2026

• StructureOfArraysGenerator

  Public

  Cysharp/StructureOfArraysGenerator’s past year of commit activity
  Structure of arrays source generator to make CPU Cache and SIMD friendly data structure for high-performance code in .NET and Unity.

  C#

  •

  MIT License

  •13•329•0•1•Updated Feb 25, 2026Feb 25, 2026

• SlnMerge

  Public

  Cysharp/SlnMerge’s past year of commit activity
  SlnMerge merges the solution files when generating solution file by Unity Editor.

  csharpunity-editorvisualstudio

  csharpunity-editorvisualstudio

  C#

  •

  Other

  •7•129•1•0•Updated Feb 25, 2026Feb 25, 2026

• SerializerFoundation

  Public
  High performance serialization infrastructure for C#.

  C#

  •

  MIT License

  •2•70•0•0•Updated Feb 25, 2026Feb 25, 2026

• RuntimeUnitTestToolkit

  Public
  CLI/GUI Frontend of Unity Test Runner to test on any platform.

  unit-testingcsharpunity+ 2

  unit-testingcsharpunitytesting-toolsil2cpp

  C#

  •

  MIT License

  •23•319•0•1•Updated Feb 25, 2026Feb 25, 2026

• RandomFixtureKit

  Public

  Cysharp/RandomFixtureKit’s past year of commit activity
  Fill random/edge-case value to target type for unit testing, supports both .NET Standard and Unity.

  C#

  •

  MIT License

  •2•58•0•1•Updated Feb 25, 2026Feb 25, 2026

• R3

  Public

  Cysharp/R3’s past year of commit activity
  The new future of dotnet/reactive and UniRx.

  C#

  •

  MIT License

  •162•3.7k•23•11•Updated Feb 25, 2026Feb 25, 2026

• ProcessX

  Public
  Simplify call an external process with the async streams in C# 8.0.

  C#

  •

  MIT License

  •33•545•0•1•Updated Feb 25, 2026Feb 25, 2026

• ObservableCollections

  Public

  Cysharp/ObservableCollections’s past year of commit activity
  High performance observable collections and synchronized views, for WPF, Blazor, Unity.

  C#

  •

  MIT License

  •65•935•6•2•Updated Feb 25, 2026Feb 25, 2026

• NativeMemoryArray

  Public

  Cysharp/NativeMemoryArray’s past year of commit activity
  Utilized native-memory backed array for .NET and Unity - over the 2GB limitation and support the modern API(IBufferWriter, ReadOnlySequence, scatter/gather I/O,…

  C#

  •

  MIT License

  •18•332•0•1•Updated Feb 25, 2026Feb 25, 2026

• Multicaster

  Public

  Cysharp/Multicaster’s past year of commit activity
  A framework for transparently invoking multiple instances or clients.

  C#

  •

  MIT License

  •5•44•2•0•Updated Feb 25, 2026Feb 25, 2026

• MessagePipe

  Public
  High performance in-memory/distributed messaging pipeline for .NET and Unity.

  C#

  •

  MIT License

  •119•1.8k•4•1•Updated Feb 25, 2026Feb 25, 2026

• MemoryPack

  Public

  Cysharp/MemoryPack’s past year of commit activity
  Zero encoding extreme performance binary serializer for C# and Unity.

  C#

  •

  MIT License

  •287•4.4k•66•8•Updated Feb 25, 2026Feb 25, 2026

• MasterMemory

  Public

  Cysharp/MasterMemory’s past year of commit activity
  Source Generator based Embedded Typed Readonly In-Memory Document Database for .NET and Unity.

  c-sharpunitymemory-database

  c-sharpunitymemory-database

  C#

  •

  MIT License

  •121•1.8k•2•0•Updated Feb 25, 2026Feb 25, 2026