Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Code-Free Startup - Learn how to build real apps without coding
Endpoints - View and respond to requests on an HTTP endpoint
Code4Startup - Learn Ruby on Rails, Python, AngularJS, NodeJS, React, Ionic by cloning AirBnb , TaskRabbit, Tinder, Product Hunt, Fiverr and . more.
httpbin(1) - HTTP request and response service
Codeplace - Learn how to code by building real web apps