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

Figma Product Planner - Easiest way to plan, visualize, & share your product planing

Shutter - Shutter is a feature-rich screenshot program.

Figma - Team-based interface design, Figma lets you collaborate on designs in real time.

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

Taskade - Make lists, organize your thoughts, and be inspired to get things done. Taskade is a collaborative space for your tasks.