Originally Posted by Domochevsky
If in doubt you could try openCanvas 1.1. That one's free (and really old). It has most of the basic functions for sketching though, including pressure sensitivity.
Unfortunately I don't have a tablet, so I don't think pressure sensitivity would be all too helpful.
But I've used a tablet before, and do quite enjoy how they feel.
Demon Lord of Elo Hell
78% of DM's started their first campaign in a tavern. If you're one of the 22% that didn't, copy and paste this into your signature.
I started my first campaign outside of an abandoned mine, just as soon as a meteor storm from the moon hits.