All GPTs - Biggest directory of GPTs
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Custom GPT store - Showcase your GPTs
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
GPTsdex - Explore 10,000+ Custom GPTs and Their Instructions
LightShot - The fastest way to take a customizable screenshot.