Pencil Animation

Pencil is an animation/drawing software for Mac OS X, Windows, and Linux. It lets you create traditional hand-drawn animation (cartoon) using both bitmap and vector graphics. Pencil is free and open source.

Download it here!
Report Bugs, Request Features
Pencil Open Source Community: http://www.pencil2d.org/
User Forum

Source code

Github: https://github.com/pencil2d/pencil
Bitbucket: https://bitbucket.org/chchwy/pencil2d

Pencil Animation v0.5.3 beta

2013-06-28 Simplified and reorganized the code base.

Upgrade to Qt 4.8.4
ToolSet code refactoring.
Menubar code refactoring.
Color Palette code refactoring.
Bug fixed: brush cannot change color in 0.5.2