Shutter Ubuntu / Linux app that allows you to take screenshots, edit them, apply various effects, upload them online and more.

Awesome Screenshot is the highest-rated screen capture & image annotation tool on Chrome with over 2 million users.

Gyazo is an open source screenshot program for Windows, Mac OS X and Linux.

Capture the web page, either part of it or the whole browser window, edit your screenshots in a very user-friendly interface. Record screencasts - record vide…

Lightscreen is a simple tool to automate the tedious process of saving and cataloging screenshots, it operates as a hidden background process.

CollabShot is a software that specializes in online collaborations.

ScreenCloud is a digital signage cloud platform for easily displaying content on a wide range of readily available screens and hardware.

Open Screenshot is a Goole Chrome extension to take screenshots.