Contributes to QuickCheck (as ‘Don Stewart’), bytestring (as ‘Don Stewart’), and binary (as ‘Don Stewart’) .
Contributes to GNU Automake, GNU Autoconf, and GNU Libtool .
Contributes to CodeMirror, keymage, and gostatic .
Contributes to binary, bytestring, and xmonad .
Contributes to Giver (as ‘radical’), Mono, and MonoDevelop .
Contributes to justdelete.me, WLE, and Git .
Contributes to interlace, Debian (as ‘daf’), and Debian GNOME Packaging (as ‘daf’) .
Contributes to AY250 (as ‘Paul Ivanov’), param (as ‘Paul Ivanov’), and formd (as ‘Paul Ivanov’) .
Contributes to Git, Work Request Management System, and Linux Kernel .
Contributes to Gajim (as ‘bct’), Ruby/ASP (as ‘whateley’), and atom-tools .