Paid version starts at $19.99 per month. Cost can go up depending on the size and data requirements of the organization. Free 30-day trial available.
Deployment: Chrome extension
Functionality: ContactOut is a chrome-extension based tool that helps you find contact information like email addresses and phone number of people on LinkedIn and Github. Claims to be able to find emails for 75% people, with 99% accuracy (the emails are verified thrice).