I thought the community might benefit from it and you can visit it here https://www.spritepaint.com
I've posted this a few times on Reddit and got a lot of great feedback from people trying out the tool. I don't think it'll be as full featured as Aseprite but has a lot of fun goodies like drawing, clips, animating, lasso, color palettes, and download as gifs! I've been working on it over the last couple of years on and off and feel like it's been great for doodles, practice, and just having some fun. Feel free to reply if you create any artwork. I love to see it!
Here's an example drawing start to finish: