Magny.io - Magny is a navigation, universal search and helper for apps in order to help users understand app features better and onboard faster, with a focus on increasing user experience.

Workona - A better way to work in the browser.

kbar - ⌘ kbar is a fully extensible command+k interface for your site.

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.

react-cmdk - Build your dream command palette

Multrin - Organize multiple apps in tabs