Sumo Paint is a free online Flash

Adobe Flash

Adobe Flash is a multimedia platform used to add animation, video, and interactivity to web pages. Flash is frequently used for advertisements, games and flash animations for broadcast...

-based image editor

Graphics software

In computer graphics, graphics software or image editing software is a program or collection of programs that enable a person to manipulate visual images on a computer....

 created in 2007, which is developed by Sumo Ltd., formerly Snap Group LLC. It is very similar to Photoshop

Adobe Photoshop

Adobe Photoshop is a graphics editing program developed and published by Adobe Systems Incorporated.Adobe's 2003 "Creative Suite" rebranding led to Adobe Photoshop 8's renaming to Adobe Photoshop CS. Thus, Adobe Photoshop CS5 is the 12th major release of Adobe Photoshop...

, in that it features many of the same tools, but Sumo Paint is geared towards illustration, where other software such as Photoshop are more suited for heavy image editing.

Community

Sumopaint.com features community features, such as uploading, commenting on, and rating images, which are accessible to those who own an account there.

Sumo Paint Pro

Sumo Paint has a paid "pro" version of the software which activates features such as a downloadable version of the software which runs on Adobe AIR

Adobe Integrated Runtime

Adobe Integrated Runtime, also known as Adobe AIR, is a cross-platform runtime environment developed by Adobe Systems for building Rich Internet Applications using Adobe Flash, Adobe Flex, HTML, and Ajax, that can be run as desktop applications or on mobile devices...

.