Fullstack Vue - The in-depth, complete, and up-to-date book on Vue.js
Fiddler - Fiddler is a debugging program for websites.
Vue Native - A framework to build Native Mobile apps using JavaScript.
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
JSON Query - A tool to query JSON data structures
HTTP Toolkit - Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.