Drawing application either using html canvas or [login to view URL] user can draw using mouse or by touch(similar to mspaint pencil tool).
Color panel is six [login to view URL] must have ability to delete drawn line.
The drawn image can be saved or uploaded to [login to view URL] format must be svg and png.
It should support
[login to view URL],6,7,8,9(ok to use chorme frame)
[login to view URL]
[login to view URL]
[login to view URL]
[login to view URL]
[login to view URL] mobile,tablet.
source must be clean and easy to understand.
You can use any one
Jquery,YUI,prototype.
I have YUI source which can be easily customizable.
reference
1.svg-edit
Please let me know budget and time required to complete.