Basin
Form backend for HTML forms, with spam filtering and integrations
Free Tier (50 submissions/mo) Proprietary
#forms #html #api
Comparison · Formspree
Best Formspree alternatives
Formspree is the form-backend target all five tools on this page are listed against, and none of the five is marked open source. Basin is a form backend for HTML forms, with spam filtering and integrations, Formcarry is a form API for HTML forms, with email notifications and spam filtering, Forminit is a headless form backend API — design your own form UI, then send submissions to Forminit's API endpoint, FormKeep is a form backend for your existing forms, with spam filtering, and 99Inbound is a form backend and endpoint API for your existing forms. All five list a free tier, with Basin, Formcarry, and FormKeep starting at 50 submissions a month, Forminit at 100 submissions a month on one form, and 99Inbound at 100 entries a month on two forms, so compare on submission limits and on whether you want a ready-made form or your own UI.
5 tools · 0 open-source · Prices and open-source status are as listed in the DevAlt directory.
Formcarry
Form API for HTML forms, with email notifications and spam filtering
Free Tier (50 submissions/mo) Proprietary
#forms #html #api
Forminit
A headless form backend API — design your own form UI, then send submissions to Forminit's API endpoint.
Free (100 submissions/mo, 1 form; Pro from $19/mo) Proprietary
#forms #form-backend #api #static-sites #submissions
FormKeep
Form backend for your existing forms, with spam filtering
Free Tier (50 submissions/mo) Proprietary
#forms #form-backend #spam-filtering
99Inbound
Form backend and endpoint API for your existing forms
Free Tier (100 entries/mo, 2 forms) Proprietary
#forms #form-backend