Dynamsoft Dynamic Web TWAIN is a web browser plugin for scanning documents from a TWAIN compatible device - scanner, digital camera or capture card. After acquiring images, you can edit and then upload them to web servers/databases. 

Three editions:

    ActiveX Edition works as an ActiveX control in IE (32-bit and 64-bit)
    Plugin Edition works with Firefox, Chrome, Safari, and Opera on Windows. 
    Mac Edition works with Safari, Firefox, Chrome and Opera on Mac.

See also: DynamicNetTwain
ImageCaptureSuite
DynamicWebcamSdk