A POSIX GUI file viewer capable of displaying manual pages and maintaining document meta-data (highlighting and bookmarks) per user per file; a local socket server for easy integration with other software, text can be processed with shell commands.
Anarchy is small utility written in C++ designed for Linux and other Unix-like systems. It allows you to change your identity and act as another user (even root!).
Its features are similar to standard su utility, but there is more flexible.
Automated Computer Auditing Daemon - Keep a track of what's going on with your systems: suid, sgid, world writable, hidden and unowned files monitoring as well as important file's md5sums management audits sent to your mailbox on a regular basis.