1. CritSend is a SMTP relay for developers.

  2. Probably the best marketing automation software. Fully featured, from email to product recommendations, surveys, A/B testing and lots more. All-in-one marketing automation software to increase sales and conversion rate.

  3. Pageclip is a simple way to save information from the website via forms or front-end JavaScript.

  4. Secure form submission capturing for all your static sites.

  5. Live chat 2.0: Customer messaging that converts

  6. Form endpoints for designers and developers

  7. Simple Form allows you to setup forms with any kind of data

  8. Gravity Forms is one of the best and easiest contact form plugins to create modern forms for websites powered by widely-used WordPress.

  9. The Friendly Way to Ask

  10. Close More Deals. Make More Sales.

  11. Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.