Novocall - Novocall converts web visitors into sales calls in seconds.
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
LiveCall - LiveCall is a callback software that enables users to talk by voice with people who are currently visiting a website in 25 seconds.
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.