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- First contact with FreeBSD through Lehmann's FreeBSD 4.0 CD set in 2000.
- Ports committer since 2009-11-18 (mentors were Renato 'garga' Botelho and Martin 'miwi' Wilke).
Maintainer of roughly three dozen FreeBSD ports, among them some Berkeley DB and OpenVPN ports, dnsmasq, e2fsprogs, xmlto. Click here to list all of them.
- Co-founder and member of the lua@ FreeBSD port team (as of 2012-04-11, the other members are ohauer@ and Niclas Zeising).
Other Open Source projects
upstream maintainer of mail/fetchmail, a mail retrieval and forwarding utility
upstream maintainer of news/leafnode, a Usenet news proxy and server
upstream co-maintainer of mail/bogofilter, a teachable email spam tagger
former upstream co-maintainer of MSPGCC4, a port of GCC 4 to the MSP430 micro-controllers