Upwork - Forget the old rules. You can have the best people. Right now. Right here.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Compose.ly - Compose.ly is a platform that connects businesses and agencies with freelance writers and provides high quality, SEO-friendly content.
LightShot - The fastest way to take a customizable screenshot.
CrowdSource - CrowdSource offers crowdsourcing solution to serve the needs of content and copywriting.
Snagit - Screen Capture Software for Windows and Mac