Gigster

https://gigster.com

Best for: Freelance designers, product managers, sales engineers, software engineers, writers and QA professionals.

Tooltip: Requires an application and screening process.

Gigster does software development on demand. As a gigster you can choose to work your own hours. What matters is the work you do and not when you do it. You can work a little during the week and a ton during the weekends.