Botletter - Botletter enables users to send newsletters on Facebook Messenger.
Novocall - Novocall converts web visitors into sales calls in seconds.
SendPulse - Maximizing e-mail marketing open rates automatically
Facebook Auto Reply - Create Facebook autoresponder campaigns for your pages and groups.
Publicate - Build Beautiful Emails. Export and Send Anywhere.
Inbound Rocket - Converts visitors into leads, subscribers & customers