Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Hidden Capture - Hidden Capture - عکسبرداری خودکار و مخفیانه از فعالیت کاربران متجاوز
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
TeenyGrab - TeenyGrab is a free alternative to TinyGrab.
LightShot - The fastest way to take a customizable screenshot.
SnapCrab - SnapCrab is a photo capture software that can capture any part of your screen.