This project is made for those who need to add custom HTML forms a static page or static website.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
The best open source alternative to Airform is Serverless Forms. If that doesn't suit you, our users have ranked more than 25 alternatives to Airform and three of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Airform are FormBucket and OpenformStack.
This project is made for those who need to add custom HTML forms a static page or static website.
FormBucket gives you a hosted endpoints for your static site forms. Your markup, your CSS. We take care of the rest. You can redirect users to any URL, send autoresponder emails and add unlimited webhooks.

OpenformStack is an open source form backend that allows you to collect form submissions without writing any backend code. No Backend server? No problem. Manage all your forms with OpenformStack. Get notified, Auto-respond to new submissions and keep spam out.
