Annotate - Annotate (formerly know as Glui) is the simplest way to capture, annotate and share screenshots.

LightShot - The fastest way to take a customizable screenshot.

Glui - glui - GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, using GLUT or FreeGLUT.

ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...

Datatang.ai - Datatang provides off-the-shelf AI training datasets, on-demand data collection & annotation solutions that power the world's most innovative artificial intelligence.

Monosnap - Monosnap is a comprehensive screenshot taking software system that provides users with a fast and accessible way to take screenshots whenever they want. Read more about Monosnap.