1. Mailmust provides reliable and affordable bulk email sending service that ensures delivery of your promotional emails.

  2. CritSend is a SMTP relay for developers.

  3. 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.

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

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

  6. Live chat 2.0: Customer messaging that converts

  7. Form endpoints for designers and developers

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

  9. Use our drag and drop online form builder for surveys, registrations, payment collections, lead generation and more. Our online forms offer robust features and 50+ integrations that allow you to automate workflows, capture leads & more.

  10. Wufoo's HTML form builder helps you create online web forms. Use our web form creator to power your contact forms, online surveys, and event registrations.

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

  12. The Friendly Way to Ask