Deco IDE - Best IDE for building React Native apps
Atom - At GitHub, we’re building the text editor we’ve always wanted: hackable to the core, but approachable on the first day without ever touching a config file. We can’t wait to see what you build with it.
YepCode - The automation & integration tool that loves source code. We help companies to improve their software development experience and solve real problems in a more agile and productive way.
Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
WebDen - Open source web code playground built for mobile
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.