Novocall - Novocall converts web visitors into sales calls in seconds.
Upcall - Upcall enables you to crowdsource your outbound calls. Collaborate with 1000+ on-demand callers worldwide for sales, marketing and customer support calls. Free trial.
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
Veloxy - A sales enablement app. Your calendar on steroids!
Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
Vipor CRM - Relationship management. Redesigned.