Modern Web Framework for C++. High performance, simple API, cross-platform, zero-dependency.

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Cross Platform

Linux/Unix/Windows and more. See full list of supported platforms

High Performance

Handle over 5 Million simultaneous connections on a single server. See benchmark.


Automatically document endpoints with Swagger-UI and OpenAPI 3.0.0. Read more.

Zero Dependency

Oat++ uses no third-party libraries. Easy to install.