ConversionChecklist.org - A 41 point checklist to make your website convert better
Novocall - Novocall converts web visitors into sales calls in seconds.
Conversion Lab - Get high conversion rates on landing pages
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
GetSiteControl - Website popup builder & email marketing suite for ecommerce