OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
Mashup Template - Collection of beautiful free HTML templates
Sleeknote - Set up lead capture forms on your website in minutes. No coding required. Sync your new email leads with your favorite email service provider. Try for free.
Ethereal by HTML5 UP - A fully responsive side-scrolling one-page HTML5 template
Poptin - Create engaging and high converting website pop ups and contact forms in minutes. With Poptin, you get access to a feature-packed conversion rate optimization toolkit that converts more website visitors into email subscribers, leads, and customers.
Inovatik HTML Templates - Download 24 FREE HTML templates to help you create beautiful websites and landing pages faster.