Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.

RemoteTeam - Remoteteam.com helps remote teams become great places to work with the fully-integrated platform to automates payments and HR tasks.

Shutter - Shutter is a feature-rich screenshot program.

Swipes - Plan projects, take action and discuss.

Snipping Tool - Use Snipping Tool to capture a screen shot, or snip, of any object on your screen, and then annotate, save, or share the image

ApproveIt for Slack - Get approvals in minutes, not days. Right from Slack!