Nowadays, I mostly work on random bits of Samba 4 . Some of this is documented in my blog . Most of my commits are tracked by Ohloh . Some of my patches to other projects for which I do not have commit access (or for which I did not have commit access at the time) can be found here . During the summer of 2005, I participated in the Google Summer of Code program, where I worked on the upgrade path from Samba 3 to Samba 4. Details are here . In 2006, I worked on Kerberos support in CUPS . In 2007, 2008, 2009, 2010, 2011 and 2012 I mentored other students for the Bazaar, Samba and OpenChange projects. I have contributed to various Free Software projects, including: Samba , of course. Common Unix Printing System , Kerberos support OpenChange , build system improvements, integration with Samba, IDL. BitlBee , several areas. WireShark , BitTorrent, AIM/ICQ (Oscar), AYIYA, several DC...