A few projects I currently work on are:

• reverse engineering the Broadcom wireless chipset (the driver works for me)

• cfg80211/nl80211 – a subsystem for the Linux kernel for wireless configuration (search netdev/linux-wireless lists for more description)

• mac80211 – the Linux wireless stack

• ls5000 – a SANE backend for the Nikon Coolscan 5000 ED 35mm film scanner

• integrating dovecot and spam classification tools

Stuff I still maintain, but do not actively develop any more (mostly because it does what I want):

• some extensions for epiphany (the browser)

• MBOX file sorter

• new moinmoin latex parser and processor

• calling private ioctls of the Broadcom wireless driver under OSX

• using exim as a hidden service inside tor

• a sort-of spamd compatible server for dspam

• a sort-of spamd compatible server for crm114

• snd-aoa: replacement sound driver for Apple machines (currently in this category, but I plan to pick up development again at some time to support digital input)

• suspend-to-disk support for G5 powermacs (merged into the official Linux kernel as of 2.6.22)

• reverse engineered instructions for loading iSight firmware of on the MacBook

• K600i bluetooth remote control

Stuff I've worked on in the past:

• integrating dovecot and dspam

• tla on windows: todo list

• SANE network protocol documentation

• greylisting for exim

• cvs diff cleaner

• plugin script for munin to show dspam data

• small script to find duplicates on an IMAP server, using message-ids

• HP Unix DLPI interface for dhcpd worked on during an internship at the Rechenzentrum der Finanzverwaltung NRW

• /dev/fwmem-<GUID> devices for linux (no one liked it, so it isn't in the kernel, may write a userspace tool dd1394)

• some thinking on a zero-copy IO mechanism for d-bus, mainly to see if dbus is usable for SANE