Drogon
Drogon: A C++14/17/20 based HTTP web application framework
...Use a non-blocking I/O network lib based on epoll (kqueue under macOS/FreeBSD) to provide high-concurrency, high-performance network IO, please visit the TFB Tests Results for more details. Provide a completely asynchronous programming mode. Support Http1.0/1.1 (server side and client side). Based on the template, a simple reflection mechanism is implemented to completely decouple the main program framework, controllers, and views. Support cookies and built-in sessions. Support back-end rendering, the controller generates the data to the view to generate the Html page.