If you're willing to compile it, Aseprite is a great option as well.
check my website for the latest tips - always updating with new content!
Obaida Hamdi has shared a tutorial that covers production tips and tricks for simulating realistic female hair with Maya and XGen.
The guide shows how you can use AnimWire modifier inside XGen to connect the hair with nhair system so you can get a really realistic results with a lot of flexibility.
You can download the project files here.