Web2Phone — Form Backend for Website Forms, WhatsApp & Email

It is a WordPress plugin used originally for contact forms, but in a more general sense, it allows site owners to create forms to collect information. It can be used for contact forms, WordPress post creation, calculators, employment applications and more.

It takes care of the repetitive and annoying stuff--keeping track of values/errors/visited fields, orchestrating validation, and handling submission--so you don't have to.

Build beautiful and engaging next-generation online forms, surveys, quizzes, landing pages, and much more with Typeform

It aims to be as flexible as possible while helping you with powerful components to create your forms. The basic goal is to not touch your way of defining the layout, letting you find the better design for your eyes.

Performant, flexible and extensible forms with easy to use validation.

It is a cross-platform mail client library built on top of MimeKit. The main goal of this project is to provide the .NET world with robust, fully featured and RFC-compliant SMTP, POP3, and IMAP client implementations.

As soon as a mailbox is connected, we create a metadata index of its content starting from the most recent emails which become available from the API within seconds. Context.IO takes care of synching email data for your app so you don't have to build, scale and maintain this infrastructure yourself. Focus on what's unique to your business, we'll manage the technical details of integrating with arcane email server protocols.

It is a cloud-based questionnaire and survey solution with real-time collaboration and powerful tools to customize form questions. It can also be used to create online quizzes.

It is a powerful online application that allows anyone to quickly create custom online forms. It creates forms with a drag and drop creation tool and an option to encrypt user data.

A full-featured email creation and transfer class for PHP. It is a class library for PHP that provides a collection of functions to build and send email messages. PHPMailer supports several ways of sending email: mail() , Sendmail, qmail & direct to SMTP servers.

Wufoo automatically builds the database, backend and scripts needed to make collecting and understanding your data easy, fast and fun. Because we host everything, all you need is a browser, an Internet connection and a few minutes to build a form and start using it right away.

Formstack is an online form building application that lets you bring your forms online without any coding knowledge. The Formstack drag and drop form builder lets you build custom forms and easily collect data in your Formstack database.

It allows sending email directly from Javascript, with no backend development. The developers create one or more email templates (dynamic content supported) and then trigger an email using our Javascript SDK, specifying the template, and the dynamic parameters for rendering the email.

It is a form backend, API and email service for HTML forms. It is the simplest way to embed custom contact us forms, order forms, or email capture forms.

It is an online tool that enables anyone to easily create beautiful forms, payment or product pages that feel truly yours. Creating forms with Paperform is easy like writing a doc. Type styled text, upload pictures, embed video, and brand your form with media, colors and fonts.

Go from idea to live in under one minute. Developers can manage forms-as-code, or bring-your-own-form and get a fully mature backend to handle submissions. Form-Data gives you full spam protection so you can get a clean inbox.

It is an open source alternative to TypeForm that can create stunning mobile-ready forms , surveys and questionnaires. Create stunning embedable forms for recruiting, market research, surveys and more

Pageclip is a simple way to save information from your website via forms or front-end JavaScript. That is, you can save data from your website without a server—Pageclip is your server.

mailparser.io is a web-based email processing software which allows you to pull any kind of data from incoming e-mails based on custom parsing rules. The parsed data can be sent to any API with webhooks.

What if you could use a service that gives you full control over the form, yet doesn’t require you to use anything on your server? Airform gives you the ability to create functional HTML forms without thinking about servers.

Embed, edit and collect answers, all within Notion. You don't want to spend minutes setting up your form. Spend seconds and see what it really means to iterate faster.

It is designed to enable marketers to easily create calculators, recommendations, quizzes and polls to better acquire, qualify, and monetize leads. With it, marketers can build these tools without a developer in minutes.

It is the enterprise ready webhook service. It makes it easy for developers to send webhooks. Developers make one API call, and Svix takes care of deliverability, retries, security, and more.

Chat to your website visitors in real time, manage leads, and increase sales - all with indemandly.

It is an API-first email hosting service with a user-friendly interface. It provides affordable scalability for small & large businesses using dedicated email servers without any per-user/per-domain limits. Furthermore, the powerful API enables you to meet your changing business requirements with ease.

It is a form endpoint, not a form builder. This has a number of advantages: You get to work in an environment you are familiar with. Instead of a clunky editor, develop from the comfort of your own editor. The form is rendered instantly, because you don't have to load it via an iframe or JavaScript.

It is a fast & secure webhooks service. It receives event data from an HTTP API and sends these event data to the configured endpoints. It is cloud-native so developers can deploy the container to wherever they host their applications.

It is the easiest way to build forms using Vue. Key features include form and field validation, file uploads, form generation, single-element inputs that support labels, help text, error messages, placeholders and more, and comprehensive documentation for use within your own projects.

Zero backend code for all your forms and data influx needs. Capture form submission data using plain HTML or with our API library. Analyze user stats and sentiment analysis.

It can parse emails which contain travel reservations and return those reservations in a structured format (JSON). We can extract travel itineraries from virtually any travel provider. We support thousands of email formats and we have a dedicated team of developers who constantly work on improving the API by adding new parsers to support new email formats.

It makes it easy to send webhooks from your service while ensuring robust deliverability and a great developer experience for your users.

FormCrafts is an drag-and-drop form builder which allows you to make intuitive forms.

It is the open-source Typeform Alternative. Code or no-code your form. Pipe your data exactly where you need it. Maximize your results with juicy analytics.

It is originally a part of the TakeShape React web client. It is a form library that uses JSON schema and works with Redux. It is useful for async validation and data normalization.

Certinal delivers an enterprise-grade Unified Digital Transaction Management solution trusted in 80+ countries. Built for security, usability, and compliance, Certinal empowers large organizations with intelligent eSignature and eConsent capabilities that meet global, regional, and industry-specific regulations.

Contact Form 7 to Any API allows WordPress users to send form submissions to any external API or CRM with precision and ease. The free version supports basic features such as single API endpoints, JSON payloads, headers, and logging. With the Pro version, you can configure multi-endpoint routing, conditional logic, nested JSON bodies, field mapping, custom headers per endpoint, and advanced response handling. Ideal for HubSpot, Mailchimp, ActiveCampaign, Zoho, and Pipedrive integrations. The optional OAuth 2.0 Add-On provides secure token handling and full authorization flows. Perfect for marketers, developers, and agencies seeking flexible, SaaS-free automation workflows.

It provides form endpoints as a service so your simple sites can stay simple. Capturing form submissions has never been this hassle-free. It is a backend tool that enables online form creators to receive respondents’ submissions in real-time without the need for code or other infrastructure.

It is an all-in-one form-building solution that offers everything you need to create stunning forms and surveys. Quickly and easily create custom forms and surveys with its intuitive drag-and-drop interface.

It makes it easy for developers to offer top quality webhooks tooling to integrators without reinventing the wheel. Get reliable webhook delivery, with debugging and logging, in minutes.

Arengu allows product makers to build signup flows with any API in minutes. You can build the same signup experience as Airbnb, Stripe or Slack, for your application, and without dedicating a full engineering team.