Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Understand - Combines a powerful Code Editor together with an impressive array of static analysis tools that will change the way you work with code.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Sourcetrail - Sourcetrail is a cross-platform source explorer for C/C++ and Java.
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.
Source Insight - Source Insight is a programming editor & code browser with built-in live analysis for C/C++, C#, Java, and more; helping you understand large projects.