Contributes to YaCy as Roland Haeder
Contributes to Mailer-Project as quix0r
Contributes to Friendica as Roland Haeder
and 6 other projectsContributes to Openbravo
Contributes to Leiningen
Contributes to akvo-rsr
and 16 other projectsContributes to Xcerpt
Contributes to JWebMail / Java Webmail as wastl
Contributes to Linked Media Framework
and 5 other projectsContributes to libgphoto2
Contributes to Perl
Contributes to MidnightBSD
and 18 other projectsContributes to GNU Classpath
Contributes to Free Jalopy
Contributes to Mauve as audriusa
and 4 other projectsContributes to Vexi as clrg
Contributes to FreeTrain as clrg
Contributes to Free Gamer - open source games
and 1 other projectsContributes to OpenJDK
Contributes to OpenJDK 7 as jwilhelm
Contributes to OpenJDK 6
and 1 other projectsContributes to Ocaml Batteries Included
Contributes to rstash
Contributes to LensKit
and 4 other projects