Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.

Web APIs for Django

Classy web-development dressed in a DSL

Server Framework for Node.js

A PHP micro framework

Next generation web framework for node.js

The stunningly fast PHP micro-framework by Laravel

Golang HTTP server framework

Real-time, micro-service web framework for NodeJS

An opinionated micro-framework for creating REST-like APIs in Ruby

PHP HTTP client that makes it easy to send HTTP requests and trivial to integrate with web services

Rails for API only applications

Extensible web framework for Rust

High-performance Python framework for building cloud APIs and web app backends

Creating delicious APIs for Django apps since 2010.

A lightweight web framework for .NET

Modern Web Application Framework for Node.js

Fast and low overhead web framework, for Node.js

New Python REST API and CLI micro-framework

The Reusable, Scalable, and Quick node.js API Server

Fast, simple web framework for Crystal

Simple REST APIs for Java and Kotlin

A microframework to develop web applications in C

I/O and Microservice library for Scala