gpgkeymgr is a tool for cleaning up and managing your GnuPGP key ring. It removes old and unnecessary keys according to user-specified criteria. For example, you can remove all expired or revoked keys, or all keys you don't trust, and much more.
A standalone script for accessing MySQL databases.
A lightweight library containing a number of classes and functions to ease the task of programming GTK+ programs with C++ in POSIX environments.