Must Have Free Open Source Applications

Why pay hundreds of dollars for software applications when excellent free applications are available. Each application is available across platforms unless noted. That is, each app is available for Windows, Linux and Macintosh. Here are a few must haves for everyone's tool kit.

Productivity Tools

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LibreOffice

A Microsoft Office Suite substitute of amazing quality
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Mozilla Firefox

A highly configurable web browser
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Audacity

An audio tool for anyone doing recoding of voice or music to a wide variety of file formats
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GIMP

GNU Image Manipulation Program is a awesome for photo retouching and authoring of images