ExpressJS, Flask, Django REST framework, FastAPI, and Sinatra are the most popular tools in the category “Microframeworks”. “Simple” is the primary reason developers pick ExpressJS over its competitors, while “For it flexibility” is the reason why Flask was chosen.
Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
A high performance, easy to learn, fast to code, ready for production web framework
Real-time, micro-service web framework for NodeJS
Framework for quickly creating connected applications in Kotlin
Asynchronous HTTP Client/Server for asyncio and Python
Build modern API applications that require complex integrations
High performance, extensible, minimalist Go web framework