FileRoom.io - Browser airdrop to send files to anyone, on any device
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Plover - Browser Airdrop - transfer files to anyone, any device
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Droplr - Droplr is a tiny application that aims at helping people share things easier.
LightShot - The fastest way to take a customizable screenshot.