tmv renames files/directories according to sed script(s) and other transformations.
ttm is a very small and simple Perl program which acts as a command-line operated task manager.
ttyrec is a tty recorder. Recorded data can be played back with the included ttyplay command. Read more
Turbotail is a drop-in replacement for the original (GNU) tail program which uses the (SGI) FAM daemon instead of polling every second like the original tail does. This is much faster and more efficient.