Free to check software for mac

Problem: iBook, PowerBook or MacBook Pro power cord keeps getting unplugged.
Solution: Audible and Visual alerts from Power Check.
Uses Growl (requires Mac OS X 10.3.9 or later) and Play Sound for extra functionality, but they are not required.
Enhancements:
- All new config setup during first time the application is run. Now stores preferences. User selectable audible alert.

Theme Checker 4.0 is an effective program that makes it quick and easy to check the different parts of your themes or schemes and make previews.

Requirements: PPC

WAN Check automatically checks to see if you are connected to the internet, and alerts you if you arent! You can change the frequency of the checking, as well as have it alert you when you are reconnected again. It can log the date/time, e-mail you, and just display an alert message.
Enhancements:
- Reset utility included to fix some bugs with old pref files
- Display note to notify you that the wancheckd started
- Optimized code a bit
- Error handling bug fixes
- E-mail notifications!
- Event logs written to /Library/Logs!
- Fixed version 2.2.2 update alert bug
- Ability to turn update check on/off

TrueChecker is a small but very usefull application that enables the user to check out if Barcodes, BI, Euro, ISBN, NIB, NIF are valid or not.

It also works works with portuguese identifications.

Check Off is a to-do list that sits in your menu bar.
All you have to do is simply click the check mark and your personal to-do list will drop down.
Main features:
- Easily accessible from the Mac OS X Menu Bar.
- Allows creation of groups of items.
- Each item can have its own note for more information.
- Finder-like Labels.
- iPod Synchronization so you can take your tasks on-the-go (iPod must support notes feature).
Enhancements:
- Added Traditional chinese localization (Jack M. H. Lin)
- Added Japanese localization (Christopher Li)
- Added German localization (Lucas Dohmen)
- Menubar check now transparent for friendlier appearance with ShapeShifter
- Keyboard modifiers now show up on Intel Macs. (Thanks Luis de la Rosa for the help)
- Changed the nextKeyView order in the window so that the outlineview itself is initial focused. (Matt Gemmel)
- Changed the Enter key to check/uncheck the selected item(s) - the Return key still edits the name. (Matt Gemmel).
- Pressing f (or F) with the outlineview focused now makes a new folder. (Matt Gemmel)
- Pressing n (or N) with the outlineview focused now makes a new task. (Matt Gemmel).

Light-weight Firefox extension to check for new messages in your Google Mails Inbox and Labels. After logg into your Google account, you have to click on the status-bar icon again to activate the mail checker.

System requirements:
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Enhancements
- Added support for multiple accounts.

Enhancements:

• Universal Binary.
• Added CrashReport Killer features.
• Minor interface improvements.

Requirements: Mac OS X 10.3 or later.

The fastpricecheck widget is a companion application to fastpricecheck.com.
You can easily review your search history and saved items. FastPriceCheck widget allows you to check product informations, compare the lowest online prices but also read user reviews.

Enhancements
- Bug fix for a login issue.