Hewlett-Packard's Linux imaging and printing software
The Hewlett-Packard Linux Imaging and Printing Project provides a unified single and multi-function connectivity solution for Linux. For support and help, please visit https://launchpad.net/hplip
A simple GUI frontend for scanning documents into PDF format. Utilizes scanimage, ps2pdf, pnmflip, and pnmtops commands. Automatically detects scanners avaliable on system. Developed on Linux but might work on other platforms with some tweaking.