Cruip - Landing page templates for startups
Wicked Templates - Responsive HTML templates ready to customize out of the box.
Launchaco 2.0 🦄 - Simple landing pages for your startup
Inbound Now - Build Landing pages, manage inbound leads, and create calls to actions to improve marketing with our Inbound Marketing Plugins for WordPress
Carrd - Simple, responsive one-page site creator.
Lander - Lander is a powerful online tool to create Landing Pages.