MindNode is a free and very easy to use mindmapping application. It was created with the user in mind and features a very simple interface for quickly creating visual appealing mind maps.

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Itsy is a small, simple Twitter app for your Mac.

Itsy won’t hog up your screen or do other crazy things.

• See and send tweets, replies, DM’s
• Mentions integrated into timeline
• Inline yfrog and twitpic viewing
• Reply chains
• Growl notifications
• Twitter Search

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Mjograph is a simple but highly functional 2D plotting program. MjoGraph is well-customized for scientists or researchers who work with computer simulations and want to visulalize results quickly and easily. What’s more, Mjograph offers a lot of tools to create beautiful graphs.

Main features:

• plain user interface
• just drag and drop data file(s) you want to plot
• interactive zoom and scroll with the use of mouse action
• export as EPS, PNG, etc.
• simple tools to draw annotation objects (line, circle, and text)
• directly embed mathematical expressions
• various plotting methods (line, pulses, step, region, and spline)

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TunesArt offers new features for iTunes : displaycover art and track information on your desktop (many themes available), get notification on track change, display bezel notifications on play/pause/next/prev, search your iTunes Library, scrobble to Last.fm, display/edit/download lyrics, support for Growl notifications, artwork fetching from Amazon…

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TimeMachineEditor… Change the one-hour interval of Time Machine backups. You can change the interval or decide to make daily, weekly and monthly backups.

TimeMachineEditor does not modify existing system files at all. Instead it handles its own scheduling to trigger Time Machine backups when you want them to occur.

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