Frappe is a full stack, batteries-included, web framework written in Python and Javascript.

Crow framework is described as 'Crow is very fast and easy to use C++ micro web framework inspired by Flask Framework' and is a Web Framework in the development category. There are four alternatives to Crow framework for Linux, Mac and Windows. The best Crow framework alternative is Frappe Framework, which is both free and Open Source. Other great apps like Crow framework are Cutelyst, Silicon web framework and Oatpp.
Frappe is a full stack, batteries-included, web framework written in Python and Javascript.

Silicon lets you write fast and robust web APIs with C++. It's a high throughput, low latency C++ Web Api development framework focused on ease of use and performance.
Create fast web services with C++ using Oat++. It's a light, zero-dependency, no-installation web-framework.