WIAonTWAIN SDK 1.1 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following version: 1.1 is the most frequently downloaded one by the program users. The program relates to Development Tools.
This free tool was originally produced by TWAIN Working Group. You can execute WIAonTWAIN SDK on Windows XP/Vista/7/8/10 32-bit. We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software.
From the developer:
Generates WIA driver which stays on top of TWAIN driver. It is designed to expose all necessary scanner functionality
while adhering to the WIA 1& WIA 2.0 specification and achieving compatibility with all WIA complaint applications. With this SDK you can build your drivers easily with the help of the GUI interface.
You may want to check out more software, such as VintaSoftImaging.NET SDK, VintaSoft Imaging.NET SDK or UA SDK C++ Bundle, which might be related to WIAonTWAIN SDK.