From Drupal and Moodle, right through to a Git versioning system and Perl modules on CPAN, we contribute back to over 175 community open source projects. This list is in order of the number of projects contributed to.
Linux home directory files
Kernel for Google/LG Nexus 4 (LG-E960)
A straightforward binding of libsass for Python. Compile Sass/SCSS in Python with no Ruby stack at all!
linear probing hash table implementation written in pure C (c99)
a set implementation written in pure C (c99), uses linear probing for hash collisions
Linux for DaVinci™ Processors from Texas Instruments.
Linux Repository for digilent boards
This repository tracks the official stable and dev kernel branch and includes modules for using Hecatonchire in the kernel.
Linux kernel for Texas Instruments OMAP series of processors