Contributes to Linux NTFS file system support
Contributes to GNU gnulib
Contributes to Linux Kernel
and 34 other projectsContributes to Jack Audio Connection Kit
Contributes to Linux Kernel as Andy Wingo
Contributes to GStreamer
and 10 other projectsContributes to Wine
Contributes to GNU LilyPond Music Typesetter
Contributes to GNU Emacs
and 17 other projectsContributes to The Freenet Project as Arne Babenhauserheide
Contributes to Workrave
Contributes to Phex - P2P Gnutella filesharing program as arnebab
and 38 other projectsContributes to GNU cpio
Contributes to GNU tar
Contributes to GNU Anubis
and 10 other projectsContributes to Ensemblist
Contributes to X.Org as Cedric Cellier
Contributes to GNU Guile as Cedric Cellier
and 9 other projectsContributes to Koha Library Automation Package
Contributes to Chromium (Google Chrome) as chrishall
Contributes to ranginui's koha as Christopher Hall
and 28 other projectsContributes to GNU LilyPond Music Typesetter
Contributes to GStreamer
Contributes to GNOME
and 18 other projectsContributes to Dia as Jose A Ortega Ruiz
Contributes to Factor as Jose A. Ortega Ruiz
Contributes to Sawfish Window Manager as Jose Antonio Ortega Ruiz
and 7 other projectsContributes to MinGW - Minimalist GNU for Windows
Contributes to CMake
Contributes to djbdns
and 13 other projects