Contributes to libvdpau, Phonon, and x264 .
Contributes to Trac (as ‘cboos’) and Trac-Hacks (as ‘cboos’) .
Contributes to Doxygen .
Contributes to re2c (as ‘helly’), PHP (as ‘helly’), and PEAR (as ‘helly’) .
Contributes to HexChat IRC client, blender_addon_tutorial, and i3wm .
Contributes to ykneo-oath, ykneo-openpgp, and yubikey-val .
Contributes to mibtec-linux-kernel (as ‘Diego Elio 'Flameeyes' Pettenò’), linux-2.6-sh-ms7724 (as ‘Diego Elio 'Flameeyes' Pettenò’), and Kontact (as ‘Diego Petten’) .
Contributes to pecl_ssh2, php-src, and geoffgarside's libssh2 (as ‘Wez Furlong’) .
Contributes to Evolution (as ‘Jukka Zitting/evolution’), jsr-283 (as ‘jukka_zitting’), and Midgard2 .
Contributes to cupt_package_manager, GNU troff, and osgameclones .