Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
Gainful.io - Capture B2B leads on AngelList, CrunchBase and LinkedIn
Novocall - Novocall converts web visitors into sales calls in seconds.
Bumpsale - Sell your awesome digital product using incremental pricing
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Prospect Stack - 100 ways to generate more prospects