Recogniform - PaperCapture: batch document scanning for TWAIN scanners
NAPS2 (Not Another PDF Scanner) 5.8.2 - Neowin
Demos of Scanner.js: JavaScript web TWAIN WIA scanning in web browsers Chrome, Edge, Firefox and IE to web server Java, C# ASP.NET, PHP or Python
How do I scan a document into PDF format? - Brother Canada
Dynamic .NET TWAIN Releases
Cannot scan to PDF - TWAIN driver support
GitHub - Asprise/java-scanner-access-twain: Asprise Scanning and Imageing SDK offers a high performance API library so that you can acquire images from and have total control on almost all kinds of scanners on