a professional development tool for C and C++ providing code completion, source browsing and refactoring. It is "a must have" for understanding legacy code. (for Emacs and XEmacs)
a plugin for Emacs, XEmacs, and jEdit which provides code completion, source browsing, and refactorings. It is based on full pre-processing, parsing, and static analysis of sources and works with the C, C++, and Java languages.
a compatibility layer for running Windows programs. Wine does not require Microsoft Windows, as it is a completely free alternative implementation of the Windows API consisting of 100% non-Microsoft code, however Wine can optionally use native Windows DLL
turns VLC into a RAR player that allows you to watch videos (including seeking) directly from inside multi-volume RAR archives without the need to manually unpack them first.