From Tech Republic:
32 online tools that can help your tech freelancing career | View from the Cubicle | TechRepublic.com: “With the current job outlook, many people are choosing to go freelance in their tech careers. Sometimes this is a choice; other times it’s pushed upon them by unemployment.
While the success of freelancing is largely determined by the freelancer’s ability to market himself or herself, there are a number of great online tools that can make the day-to-day elements a little easier. I came across a piece on the site http://freelancefolder.com/ that lists some great online tools. I pulled from the list the ones that pertain to technical freelancers.”