Free system maintenance software for mac

Lego System is Seans first ever iconset is a major success! Generous with 60 icons, you can transform your whole system into a crazy legoland!

All icons are aquafied and look their best in 128x128 at 32bit mode.

Completly freeware.

MainMenu 2.0 offer you a quick and easy way to run all the different tools and scripts right from your menu bar. Rebuilding your Spotlight library for faster searching, repairing permissions, cleaning caches to improve application performance, and even more advanced settings - such as enabling and disabling the Dashboard - are no more than two clicks away. MainMenu is full of powerful maintenance tools to keep your Mac running like new, within a slick, simple interface.

Major Features:

1. Run your Mac faster. Clean caches to improve application performance, rebuild your Spotlight library for faster search, and repair disk permissions for faster disk access.
2. Batch tasks. Save time by grouping your common maintenance tasks into convenient batches.
3. Easy to use. MainMenu sits readily available in your system menu so you have all the functionality right at your fingertips.
4. For pros only. Clean log files, remove temporary files, flush the DNS cache, disable and enable the Dashboard, and remove corrupted preferences files.
5. Growl notifications. Let MainMenu unobtrusively inform you when it completes maintenance tasks.

ultimateTask is a veruy useful maintenance tool with a simple, easy to use interface, to take care of some of the more important cleanup/maintenance tasks for your computer.
Mac OS has it all, almost nearly in the best self maintenance manner it takes care of it self (thanks Apple!) but sometimes the user needs to kick in...
- Basic maintenance and back to work or off to bed ; )
- mostly repairing permissions, after installations...
- executing cron scripts (even with Tiger we still execute them...)
- delete logfiles, jsut get rid of them sometimes, why not?
- delete DS.files, the bother, sometimes?
- delete temp files,
- purge trashes,
- Internet traces, like cookies, history and more
- dis/enable things like the dashboard and its Widgets,
- We wish the machine would be automatically restarted after executing, or rather shutdown?
All this and much more, ultimateTask offers in a convenient small compact quick and safe to use all in one utility! Just about like the first class service Mac OS X style.
- Daily, weekly, monthly cron scripts.
- Repair disk permissions.
- Clean logiles (User, crash & system logs).
- Temp files (tmp).
- Core files.
- Recent servers.
- Trashes (/.trashes, ~/trash, /trash).
- Additionally chosen from ultimateTask preferences: DS.store files.
- Most common internet browsers (cookies, caches, history) Safari icons, forms, searches can be cleaned by choosing these options from the ultimateTask menu.
- User cache.
- System cache.
All these and many tasks more, like disabling the Dashboard and its Widgets are available from the ultimateTask menu, learn the keyboard shortcuts to quickly enter important commands.

Set Measurement System is an AppleScript for QuarkXPress by Sal Soghoian that will will allow you to set the measurement sytem without having to dig through dialogs and pop-ups in Quark.

Completly freeware for personal use.