Workona - A better way to work in the browser.
WayAway - Find cheap flights and get cashback on all your travel deals
OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
AirTrack - Telegram bot for flight price tracking
Session Buddy - Manage Your Browser Sessions
Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.