ScanTWAIN is an Open Source TWAIN production quality scanning application based on QT 3.x. ScanTWAIN allows for duplex scanning from automatic document feeder (ADF) based scanners via TWAIN.
[Important] The project moved to GitHub. Please use the following GitHub project page from now on: https://github.com/twain/wia-on-twain
A WIA on TWAIN driver implementation designed to expose all necessary scanner functionality while adhering to the WIA 1.0 and WIA 2.0 specification and achieving compatibility with all WIA compliant applications.