"We aren’t just building amazing software, we are revolutionizing team communication. Collaborate with coworkers using screen recordings, GIFs, high-def videos, and annotated screenshots, all with one nifty link copied straight to your clipboard. Customize every piece of work with your own branding. Last but not least, privately secure your content like a mob boss."
Annotable - Ultimate image annotation & markup tool
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
marker.js Live - marker.js Live is a companion library for marker.js 2 enabling dynamic representation of image annotations.
Snagit - Screen Capture Software for Windows and Mac
Drift - A messaging app that helps you grow your business.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.