Novocall - Novocall converts web visitors into sales calls in seconds.
Facebook Auto Reply - Create Facebook autoresponder campaigns for your pages and groups.
Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
Inbound Rocket - Converts visitors into leads, subscribers & customers
LiveCall - LiveCall is a callback software that enables users to talk by voice with people who are currently visiting a website in 25 seconds.
Botletter - Botletter enables users to send newsletters on Facebook Messenger.