Greasemonkey - Customize the way a web page displays or behaves, by using small bits of JavaScript.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Site Connector - Reuse data from one website on another.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Launchlet - Customize the web with JavaScript or CSS
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.