Top 7 atmel open source projects

Marlin
Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. | Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
Original-CR10-Marlin-Firmware-Source
This is the ORIGINAL Creality CR10 Firmware Source as Creality installs it.
arduino
required (and optional) source files for the Arduino development environment, specifically the hardware/arduino sub-directory, to support xmega processors
hwmf
Demo for Arduino Mega (ATmega2560) and an LCD. Got 2nd place at Revision 2020 wild compo.
1-7 of 7 atmel projects