TWAIN
TWAIN and TWAIN Direct are application programming interfaces and communication protocols that regulate communication between software and digital imaging devices, such as image scanners and digital cameras. TWAIN is supported on Microsoft... Wikipedia
Initial release: February 1992; 32 years ago
License: LGPL (Data Source Manager only)
Operating system: Linux, macOS, Microsoft Windows
Stable release: 2.5 (4 November 2021; 2 years ago)
Standard(s): TWAIN