FotoSketcher - Turn photos to paintings, drawings and sketches. FotoSketcher is a 100% free program to turn your photos into beautiful art, automatically.
DrawPile - Drawpile is a drawing program that lets you share the canvas with other users in real time.
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
QueekyPaint - QueekyPaint is a unique browser-based drawing tool for creating animated drawings online.
Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Aggie.io - Draw a picture together with your friends in real-time over the internet in your browser.