Added Selectric to Productivity section (#1540)

README.md

@@ -1105,6 +1105,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Raycast](https://raycast.com) - Raycast lets you control your tools with a few keystrokes. It’s designed to keep you focused.
 * [RescueTime](https://www.rescuetime.com/) - Personal analytics service that shows you how you spend your time and provides tools to help you be more productive.
 * [Rize](https://rize.io/) - A.I. powered time tracker that automatically improves your focus and helps you build better work habits.
+* [Selectric](https://selectric.io/) - Private personal search engine for your emails, documents and messages. Search across Gmail, Outlook, Drive, Dropbox, Teams, Slack and more applications right from your computer. 
 * [SensibleSideButtons](http://sensible-side-buttons.archagon.net) - Use the side buttons on your mouse to move forward and backward in many apps, like in Windows. [![Open-Source Software][OSS Icon]](https://github.com/archagon/sensible-side-buttons)
 * [nnScreenshots](https://www.nearnorthsoftware.com/software/screenshots.php) - A super easy way to keep a visual record of your productivity to make it easier to fill out timesheets or just to help you review the day. Built in timesheet editor.
 * [skhd](https://github.com/koekeishiya/skhd) - Simple hotkey daemon for macOS. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/koekeishiya/skhd)