What are some alternatives?
When comparing Mextures and Krita, you can also consider the following products
PicsArt - Explore 100,000,000+ awesome images and photos on the web
GIMP - GIMP is a multiplatform photo manipulation tool.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Touchretouch - “…there's no easier way to remove unwanted items from your images.
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.