ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
SHAREit - SHAREit allows you to transfer files and data from your phone to another device without having to rely on WiFi or a data plan.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
ShareDrop - HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC
LightShot - The fastest way to take a customizable screenshot.
Send Anywhere - Send whatever you want, wherever you want