OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Adobe Animate - Adobe Animate is a Flash, vector animation software.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Synfig Studio - Just another WordPress site
LightShot - The fastest way to take a customizable screenshot.