Leo Editor - Text and code editor where Outlines are first class citizen.
Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
CodeRunner - An advanced, highly flexible, and easy-to-use programming editor for your Mac.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Kakoune - Vim inspiredâââFaster as in less keystrokesâââMultiple selectionsâââOrthogonal design
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.