DoMyStuff.com is an online outsourcing site where you post jobs and people bid on them. Like RentaCoder.com but for any type of task.
Get things done for $5. Fairly gimmicky, possibly useful.
AskSunday are a quick task outsourcing company. They offer plans including a number of "tasks" which typically take 20 minutes each to complete. Starts from $17/mth for about 10 tasks. They have project based plans "Sunday Projects", price on request.
Globe Task is a virtual outsourcing company. Rates start at $12 per hour for pay as you go and drop to $8/hour for 40 hours / month.
Webgrity is an outsourcing company. I think they do lots of work on elance and other freelancer sites.
Funky open source web app around task management that syncs and has a client across Mac, Win, iPhone, Android. Apparently no linux support. Built on top of Titanium from appcelerator.