Toby for LinkedIn - Save yourself needless clicks and your precious time & See company info without exiting the profile pageSimple as that
Profile Hopper - Chrome Extension to Growth Hack LinkedIn
JobTitle.io - Track job title changes
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
Linkedin Hashtag Trend - With the right LinkedIn hashtag strategy, your target audience will find your content more easily.
Sheetsu - Turn Google Spreadsheet into API