GitHub Gist - Gist is a simple way to share snippets and pastes with others.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
SnippetsLab - SnippetsLab is an easy-to-use snippets manager.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
massCode - A free and open source code snippets manager for developers.
LightShot - The fastest way to take a customizable screenshot.