Cysharp, Inc.

Unlocking the possibilities of C#

Cysharp aims to unlock the possibilities of the C# language.
Working together with Cygames to push the limits of performance of both server-side(.NET) and client-side(Unity) C# through open source.

Open Source Libraries

Cysharp provides many open-source libraries. We adopt the latest C# technologies and unleash the performance of .NET and Unity to their limits.

https://github.com/Cysharp

MagicOnion

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

UniTask

Provides an efficient async/await integration for Unity.

MemoryPack

Extreme performance binary serializer for C# and Unity.

ZString

Zero Allocation StringBuilder for .NET and Unity.

MasterMemory

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

ConsoleAppFramework

Micro-framework for console applications to building CLI tools for .NET.

Corporate Profile

Official Name:	Cysharp, Inc.
Founded:	September 19, 2018
Representative Director:	Yoshifumi Kawai
Board Members:	Koichi Watanabe Eitoshi Ashihara Aisaku Chikaishi

Office:	Sumitomo-Fudousan Shibuya Garden Tower 15F, 16-17 Nanpeidai-cho, Shibuya-ku, Tokyo 150-0036
Capital:	JPY 5,000,000
Industries:	Game planning, development, and consulting