BountySource - BountySource is a funding platform for open-source bugs and features.
Freelancer Stack - Curated directory of tools used by 10,000+ freelancers
Gitpay - Add bounties to solve Git issues from projects.
Hourly - Find out how much you should charge per hour
Designbook - What do all startup founders need? More time, passionate collaborators and investors!
The Standard Freelance Contract - The first common standard service agreement