CodeKit
Node.js
Ruby on Rails
ImageOptim
Django
Laravel
Meteor
ASP.NET
Pyzo
PyScripter
iPython
Leo Editor
PyCharm
NINJA-IDE
Ecere SDK
IDLE
CodeKitNode.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
PyScripter - PyScripter is a free and open-source Python Integrated Development Environment (IDE) created with...
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
iPython - iPython provides a rich toolkit to help you make the most out of using Python interactively.
ImageOptim - Faster web pages and apps.
Leo Editor - Text and code editor where Outlines are first class citizen.