key log

Logs launch and quit times of all apps.

Displays unicode values.

KeyManager has password encryption, type manager and live search.

Recover your lost product keys for Mac applications.

Log file viewing & analysis for Rails developers.

Free server log file analyzer.

Display log files, UNIX command output, and more

ARPWatch / Log Watcher for Mac OS X and Linux

iPhone Developer Program Members can log in to download iPhone SDK

iChat log searcher and viewer.