Open Source Software

Image Manipulation

• Use GIMP. If you've dreamt about Photoshop, give GIMP a try; you won't regret it
• Inkscape will meet all your vector-creation needs. See Vector Resources for more

3D Modeling

• Blender It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation. Here are some tutorials for learning modeling in Blender
• Sculptris from the makers of ZBrush, but free!

Video Creation

• Shotcut
• (See Blender, above!)

Music Creation

• Audacity the one and only.

Game Development

• LibGDX desktop/Android/BlackBerry/iOS/HTML5 Java game development framework
• (See Blender, above!)

Coding

• Notepad ++
• Processing
• Atom

Reading

• Calibre eBook reader

Research

• Zotero
• ZotFile vital add-on for Dropbox integration