Compare Form.taxi to these popular alternatives based on real-world usage and developer feedback.

Twilio SendGrid's cloud-based email infrastructure relieves businesses of the cost and complexity of maintaining custom email systems. Twilio SendGrid provides reliable delivery, scalability & real-time analytics along with flexible API's.

Amazon SES eliminates the complexity and expense of building an in-house email solution or licensing, installing, and operating a third-party email service. The service integrates with other AWS services, making it easy to send emails from applications being hosted on services such as Amazon EC2.
Mailgun is a set of powerful APIs that allow you to send, receive, track and store email effortlessly.

Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.

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.

It is a single module with zero dependencies – code is easily auditable. The email delivery is Secure using TLS/STARTTLS. You can use HTML content, as well as plain text alternative.

Postmark removes the headaches of delivering and parsing email for webapps with minimal setup time and zero maintenance.

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

Mailjet is a real-time Cloud Emailing platform: scalable, agile and flexible. Our unique algorithm boosts your deliverability and our platform provides in-depth insight so you can optimize more than ever.

It is intended as an easy file attachment library for ActiveRecord. The intent behind it was to keep setup as easy as possible and to treat files as much like other attributes as possible.

This gem provides a simple and extremely flexible way to upload files from Ruby applications. It works well with Rack based web applications, such as Ruby on Rails.

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.

SparkPost is the world’s #1 email delivery provider. We empower companies with actionable, real-time data to send relevant email to their customers which increases engagement and both top and bottom line revenue.

We offer one platform that covers all email-related needs in one place: testing, sending, and in-depth tracking to control how email infrastructure works and performs.

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

Uppy is a sleek modular file uploader for web browsers. Add it to your app with one line of code, or build a custom version with just the plugins you need via Webpack/Browserify. 100% open source, backed by a company (Transloadit).

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.

Uploadcare is file management platform and a CDN for user-generated content. It is a robust file API for uploading, managing, processing, rendering, optimizing, and delivering users’ content.

Filepicker helps developers connect to their users' content. Connect, Store, and Process any file from anywhere on the Internet.

It is a modern email sending platform focused on providing the best developer experience. Build, test, and deliver transactional emails at scale.

Send email from your app with a simple API call, Sendwithus manages the rest. Templates, testing, data management, segments, and analytics are all accessible through a friendly dashboard.

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.

Transloadit handles file uploading & file processing for your websites and mobile apps. We can process video, audio, images and documents.

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.

A new kind of transactional email service designed for developers to work faster and smarter with a powerful infrastructure to scale quickly.

It is a premium email delivery and email relay solution that enables you to send and track high volume emails effortlessly. Integrate and start sending in minutes.

Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready for you to run on your own servers. Postal was developed by aTech Media to serve its own mail processing requirements and we have since decided that it should be released as an open source project for the community.

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.

A JavaScript library that can upload anything you throw at it, optimizes images for faster uploads and offers a great, accessible, silky smooth user experience.

Shrine implements a plugin system analogous to Roda’s and Sequel’s. Shrine ships with over 25 plugins, which together provide a great arsenal of features. Where CarrierWave and other file upload libraries favor complex class-level DSLs, Shrine favours simple instance-level interface.

Bytescale is the best way to serve images, videos, and audio for web apps. Includes: Fast CDN, Storage, and Media Processing APIs.


It is an email delivery service for your transactional and marketing emails. It replaces your email infrastructure so you don’t have to build, scale, and maintain these systems in-house. With an easy SMTP service you can start quickly, while our robust API gives you full control over email processing and reporting. Your transactional emails are delivered instantly and your marketing campaigns can be scaled to millions.

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.

Transactional emails are the forgotten step child of internet marketers. Apostle.io empowers marketers to manage transactional emails themselves, as they would their list based campaigns. Preview, Update, Analyse and Test your transactional email all in one place.

It is the speedy transactional email delivery service that provides reliable Inboxing in less than a second, all with a very disruptive pricing model. Only pay for unopened emails.

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.

With one line of code you can easily start collecting videos for applications ranging from video-comments to talent competitions, political action, virtual interviews, talent scouting and more.<br>

CloudMailin allows you to receive any volume of incoming email via a Webhook. You are given an email address that will forward any incoming message to your app, as an HTTP POST, within milliseconds. You can also seamlessly check the delivery status of each of your incoming emails via the dashboard, bounce emails that you do not wish to receive and use your own domain name.

The drop-in data importer that implements in hours, not weeks. Give your users the import experience you always dreamed of, but never had time to build.

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 a File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery. Supports cross-domain, chunked and resumable file uploads. Works with any server-side platform (Google App Engine, PHP, Python, Ruby on Rails, Java, etc.) that supports standard HTML form file uploads.

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

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.