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

I wanted to run it under Linux (without wine) so I tried to compile:

Get mac version of source

wget http://www.les-stooges.org/pascal/pencil/contents/Download/pencil-0.4.2b-mac-src.tgz
tar xvfz pencil-0.4.2b-mac-src.tgz
cd pencil-0.4.2b-mac-src

Use local version of ming library

Edit pencil.pro and change LIBS to:

LIBS += -lming

Build it

Create Makefile and build project:

qmake-qt4
make