GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
NAPS2 - NAPS2 is a document scanning application with a focus on simplicity and ease of use.
SourceTree - Mac and Windows client for Mercurial and Git.
Simple Scan - Project information. Part of: The Gnome Project. Maintainer: Simple Scan Development Team. Driver: Simple Scan Development Team. Licence: GNU GPL v3.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
XSane - A good proposal for SANE-2 has been written.