This Notepad++ plugin is simply a front-end to GTags (GNU Global source code tagging system):
http://www.gnu.org/software/global/global.html
It provides tools for easy code navigation.
GTags binaries (Win32 ports) are needed by the plugin. Those are supplied with it for convenience.
Source Navigator NG is a source code analysis tool.
With it, you can edit your source code, display relationships between classes and functions and members, and display call trees.
You can navigate your source code and easily get to declarations or implementations of functions, variables and macros (commonly called "symbols") which helps you discovering and mapping unknown source code for enhancement or maintenance tasks.
WhiteSnake - Professional script editor application for Squirrel and PAWN languages.
It provides award-winning syntax highlight engine and compilation for your scripts.
Was developed for VC:MP, IV:MP, SA-MP and CS scripters.