Utility to find holidays or days off from xml-based configuration file. You can specify exact dates or something like "forth Thursday in November" for Thanksgiving. This utility is handy for putting cron jobs on "hold" during the holidays.
mfork is a command-line tool to parallelize shell commands. Each line of text fed to it causes mfork to fork off a new process and run the the line of text though a shell. The maximum amount of concurrent processes can be set on the command line.