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.
Shutter - Shutter is a feature-rich screenshot program.
CrowdSource - CrowdSource offers crowdsourcing solution to serve the needs of content and copywriting.
MWSnap - MWSnap is basically a free to use Windows snapping tools that are used for snapping any part of the screen that is currently displaying on the front of all opened programs and windows.