The UNRWA is still working in Gaza and receiving donations:
Free Gaza, whose last boat was rammed by the Israeli Pirate Army, is also taking donations:
Aloha Palestine, who intends to open a regular boat line between Cyprus and Gaza, is also taking donations:
Let's help them!
P.S. on 8 January 2009: Yesterday, UNRWA halted its aid thanks to more Israeli piracy (if "more" is possible.)