Invision
Moqups
Balsamiq
Figma
Zeplin
Proto.io
UXpin
Webflow
CatchForm.dev
Formspree.io
Basin
Netlify
Formcarry
StaticForms.dev
Paperform
CatchForm is a form backend for static websites. You change one attribute in your HTML — the form's action — and submissions start landing in an inbox.
Each submission is stored, shown in a web inbox, emailed to an address you confirm, and optionally POSTed to a webhook. Field names are yours: whatever your HTML sends is what gets saved.
It works on any host — Netlify, Vercel, Cloudflare Pages, GitHub Pages, S3, your own server — and keeps working if you move between them. Built for developers using Astro, Hugo, Eleventy, Jekyll and plain HTML, where there is no server to process a contact form.
Free plan: 1 form, 100 submissions a month, no card. Pro is $12/month or $120/year: 10 forms, 10,000 submissions a month, file uploads and webhooks.
Spam is filtered with a honeypot field. Redirects are restricted to the host you configure, so your endpoint cannot be used to launder links.
Invision CatchForm.devNo features have been listed yet.
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CatchForm.dev's answer:
CatchForm is deliberately not a form builder. Your HTML defines the fields — whatever your form posts is what gets stored — so adding a field means editing your own markup, not reconfiguring anything here.
Two defaults are unusual. Notifications only go to an address you have confirmed by clicking a link sent to it, so an endpoint cannot be pointed at a stranger's mailbox. And redirects after submit are restricted to the host you set in your form's settings, so the endpoint cannot be used to bounce visitors to somewhere else.
Submissions are stored independently of email. If a notification bounces or lands in spam, the message is still in your inbox here.
CatchForm.dev's answer:
Because it is not tied to where your site is hosted. The same form works on Netlify, Vercel, Cloudflare Pages, GitHub Pages, S3 or your own server, and keeps working when you move between them.
The free plan is meant to be used on a real site rather than to expire: one form, 100 submissions a month, no card. Pro is $12/month or $120/year for 10 forms, 10,000 submissions a month, file uploads and webhooks.
It is built and supported by one developer. Support, billing and bug reports go to one address and are answered by the person who wrote the code — there is no ticket queue to navigate.
CatchForm.dev's answer:
Developers and small web studios building static sites — Astro, Hugo, Eleventy, Jekyll, or hand-written HTML — where there is no server to process a contact form and adding one is out of proportion to the need.
Typically a portfolio, a landing page, documentation, or a small business site with a contact or enquiry form. People who want the form to work, not a form product to learn.
CatchForm.dev's answer:
CatchForm grew out of a set of small tools built by one developer in Bishkek, Kyrgyzstan. The form backend was the one with demand that never goes away: every static site eventually needs a contact form, and every time it means either standing up a server for a single POST or pasting a mailto: link that quietly loses messages.
It launched publicly on catchform.dev in 2026. It stays deliberately small — one job, done properly, rather than a form builder that grows features until it needs a manual.
Based on our record, Invision seems to be more popular. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
InVision Invisionapp.com Prototyping and collaboration tool with a free plan for up to 3 projects. - Source: dev.to / over 1 year ago
Search for UI/Design/Firma Tutorials on YouTube, check out UI related Blog posts on invisionapp.com, check out UI Inspiration muzli. Source: over 3 years ago
We have 100s of different screens to migrate as well as a really large design system, and to date we've been successfully using the invisionapp.com website to keep things really well organized and easy to navigate with tags, pages, etc. We've enjoyed this system so far because it's easy for PMs and Devs to navigate in a website format, without having to learn the design software or get bogged down in artboards. Source: about 4 years ago
Other options: explain everything whiteboard, invisionapp.com. Source: almost 5 years ago
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
Formspree.io - Just send your form to our URL and we'll forward it to your email.
Balsamiq - Balsamiq. Rapid, effective and fun wireframing software.
Basin - Collect form submissions, filter spam, and automate workflows — with AI landing pages from Basin Sites.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Netlify - Build, deploy and host your static site or app with a drag and drop interface and automatic delpoys from GitHub or Bitbucket