The bukkit server code has been taken down by a DMCA notice. People are quitting the project in droves.
http://www.reddit.com/r/Minecraft/comments/2fk5nn/my_response_to_vubui_mojang_and_the_hundreds_yes/
http://forums.bukkit.org/threads/an-independent-goodbye.310086/
http://www.reddit.com/r/Minecraft/comments/2fk5nn/my_response_to_vubui_mojang_and_the_hundreds_yes/
http://forums.bukkit.org/threads/an-independent-goodbye.310086/