Name - dfu-programmer
Homepage - https://dfu-programmer.github.io/
Why should this be included in the repository? It's used for flashing Atmel microcontrollers over usb, a must development tool when you work with Atmel microcontrollers such as Arduino.
Is it Open Source (yes/no) - yes
Who and how many users do you anticipate will use this software? - at least me (i can package it and maintain it myself)
Link to source tarball/zip file - https://netcologne.dl.sourceforge.net/project/dfu-programmer/dfu-programmer/0.7.2/dfu-programmer-0.7.2.tar.gz
This is latest tarball published on their github repo: https://github.com/dfu-programmer/dfu-programmer/archive/v0.7.1.tar.gz