Shottr - Shottr is a free macOS screenshot app with scrolling screenshots, OCR, annotation and measurement instruments.

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

Stillio - The #1 website screenshot service • Capture and archive website screenshots automatically • Every hour, day, week or Month • Start your free trial now.

Shutter - Shutter is a feature-rich screenshot program.

Nomad Interactive - We are Nomad Interactive

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