thvortex-vmlab
VMLAB User Components for AVR peripherals and external components
...The "AVR Peripheral" components should be installed to the "mculib" directory; all other components are installed in the "userlib" directory. A few components include a "readme.txt" with additional setup instructions.
Most components are licensed under the LGPLv2 (or higher). A few of the older components are released into the Public Domain.