Hey all - I just finished up a fun little project.  I made my first animation in over 10 years, completely with open source software. 

The software I used: Tahoma2D (https://tahoma2d.org/) , kdenlive (https://kdenlive.org), Ardour (https://ardour.org/), Debian -  and a lot of patience :)

You can see the video here: https://www.youtube.com/watch?v=_KTT8-B9ku4

-Troy