Nick Bradbury launched a disaster relief initiative, doniting 50% of revenue during one week to the victims of the earthquake in the Indian Ocean.
Others soon followed: One of the first was
Joel Spolsky(
announcement). Later followed
Dmitry Chestnykh (
announcement).
I joined in as soon as I heard of it, and
Neobyte Solutions joined in too (
announcement).
Chris Pirillo wrote a
good roundup of many initiatives.