Cysharp, Inc. ORG

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

A C# library for Unity that replaces coroutines with async/await code that produces zero heap allocations, keeping games running smoothly while making asynchronous logic easier to read and maintain.

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.

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

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

The new future of dotnet/reactive and UniRx.

Zero Allocation StringBuilder for .NET and Unity.

Zero Dependency, Zero Overhead, Zero Reflection, Zero Allocation, AOT Safe CLI Framework powered by C# Source Generator.

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

Source Generator based Embedded Typed Readonly In-Memory Document Database for .NET and Unity.

Zero Allocation Text/Structured Logger for .NET with StringInterpolation and Source Generator, built on top of a Microsoft.Extensions.Logging.

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

High performance observable collections and synchronized views, for WPF, Blazor, Unity.

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

Drop-in replacement of LINQ aggregation operations extremely faster with SIMD.

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

YetAnotherHttpHandler brings the power of HTTP/2 (and gRPC) to Unity and .NET Standard.

C# Source Generator to create value-object, inspired by units of measure.

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...).

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

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

.NET PhysX 5 binding to all platforms(win, osx, linux) for 3D engine, deep learning, dedicated server of gaming.

KcpTransport is a Pure C# implementation of RUDP for high-performance real-time network communication

NativeCompressions is the native binding and high-level API of ZStandard, LZ4 and OpenZL compression library for .NET and Unity.

An alternative high performance NATS client for .NET.

A library for building server application using loop-action programming model on .NET.

Distributed load testing framework for .NET and Unity.

Source Generator and .NET 8 UnsafeAccessor based high-performance strongly-typed private accessor for unit testing and runtime.

Utf8 based StreamReader for high performance text processing.

CsprojModifier performs additional processing when Unity Editor generates the .csproj.

Unofficial Anthropic Claude API client for .NET.

Lightweight, Fast JWT(JSON Web Token) implementation for .NET.

Successor of ZString; UTF8 based zero allocation high-peformance String Interpolation and StringBuilder.

Simplifies styling strings in the terminal for .NET application.

Append supplemental methods(WhenAny, WhenAll, Lazy) to ValueTask.

SlnMerge merges the solution files when generating solution file by Unity Editor.

CLI Coding Agent not for Vibe-coding, for C# Expert.

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

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

Convert Object into QueryString/FormUrlEncodedContent for C# HttpClient REST Request.

High performance serialization infrastructure for C#.

No description.

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

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.

A framework for transparently invoking multiple instances or clients.

Patchworked DocFX v2 template for Cysharp

No description.

Customize ring behavior everywhere for Leica Leitzphone powered by Xiaomi(Xiaomi 17 Ultra by Leica)

Test HTTP Server for YetAnotherHttpHandler

Backport of com.unity.ide.visualstudio to before Unity 2019.4.21