Feathery

YES

Replaceable in one session with an AI coding agent.

A form builder for complex flows: multi-step applications with conditional logic, document upload, verification steps and integrations into back-office systems.

Promptfree, for everyone, and the only version there is

Build a multi-step application form from a schema.

STACK
- Astro with a Node adapter, Postgres, S3-compatible storage

THE SCHEMA
- Steps, each with fields; fields have a type, validation and an optional condition over earlier answers
- Conditions evaluated on both sides; the server is the truth

SAVING PROGRESS
- Every answer posts as it is given, keyed by an application id in a signed cookie
- A long application that loses everything on a refresh will not be completed
- Resume by link, so a person can finish on another device

DOCUMENTS
- Presigned upload straight to storage, type verified by magic bytes, size capped
- Never store under the uploaded filename

REVIEW
- A queue with the whole application on one page, and a decision that appends rather than overwrites

Include the schema format, the resume flow and the upload validation.

What you lose

A builder capable of long conditional applications that a non-developer can maintain
Document upload with verification steps built in
Integrations that write into the systems behind the form

If you would rather not build

A multi-step form with server-side validation

The escape hatch

open source · no votes, no paid placement

Formio

A JSON-schema form engine with a renderer and an API server.

formio/formiofree · open source

Formbricks

Self-hosted forms with logic and a submissions dashboard.

formbricks/formbricksfree · open source

Why this verdict

our own opinion · changed only by a person

78/100

Verdict yes at 78. Saving each answer and resuming by link is what makes a long form completable, and it is the part most home-made versions skip.

History

tracked since 10 Aug 2026 · nothing is ever overwritten

Interest · last 30 days

Nothing recorded yet. This chart fills in once the page has visitors, votes or prompt copies — it will not draw a flat line to look busy.

Questions about Feathery

answered from the record above

Is Feathery free?

No — the plan we track is $39 a month. Pro from around $39/month billed monthly, cheaper annually.

Can you replace Feathery by building your own?

YES. Replaceable in one session with an AI coding agent. Replacement score 78 out of 100, build time one session. Read what you lose before you decide.

How much does Feathery cost?

$39 a month on Pro — $468 a year. Recorded 10 Aug 2026.

What do you lose by replacing Feathery?

A builder capable of long conditional applications that a non-developer can maintain; Document upload with verification steps built in; Integrations that write into the systems behind the form. If any of those carry weight for you, keep paying.

Is there an open-source alternative to Feathery?

Yes: Formio, Formbricks. The prompt on this page is for when you want it your way instead.

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