Toby for LinkedIn - Save yourself needless clicks and your precious time & See company info without exiting the profile pageSimple as that

Poptin - Create engaging and high converting website pop ups and contact forms in minutes. With Poptin, you get access to a feature-packed conversion rate optimization toolkit that converts more website visitors into email subscribers, leads, and customers.

Sheety - Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat

Magic Popup by Frontender - Convert visitors Into email list subscribers

Profile Hopper - Chrome Extension to Growth Hack LinkedIn

Little Widgets - HTML, CSS Framework with beautifully designed website widgets, popups, and forms.