Lurker is a mailing list archiver designed for capacity, speed, simplicity, and configurability in that order. Noteworthy features include: google-style searching on all fields, chronology preserving threads, multilingual, and attachment support.
A tool that helps programming with LACATRE : a Real-Time Systems conception language.
topless (TOP-like Log Events Scanning System) allows to watch and analyze log files. It support top-like user interfaces, that allow to scan log stream "on-line", and less-like user interfaces, taht allow to analyze old log files "off-line".