ActiveForm vs Reform

ActiveForm

Create nested forms with ease. (by railsgsoc)

Form Builder Nested Forms

Source Code

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Reform

Form objects decoupled from models. (by trailblazer)

Form Builder Nested Forms

Source Code

trailblazer.to

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ActiveForm		Reform
	Project
-	Mentions	4
296	Stars	2,486
0.0%	Growth	0.0%
0.0	Activity	0.0
about 5 years ago	Latest Commit	4 months ago
Ruby	Language	Ruby
MIT License	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

ActiveForm

Posts with mentions or reviews of ActiveForm. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning ActiveForm yet.
Tracking mentions began in Dec 2020.

Reform

Posts with mentions or reviews of Reform. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-12-02.

what would be the preferred way of creating a form that isn't bound to a model?
1 project | /r/rails | 15 Feb 2023

There are also specialized gems if you need more : https://github.com/trailblazer/reform
What's Rails's answer to Django's formsets?
1 project | /r/rubyonrails | 7 Aug 2022

check out Reform
Don't mix Forwardable and ActiveSupport::Delegate
2 projects | dev.to | 2 Dec 2021

A day later we received bug reports from several users. All of them were using Reform form objects, the problem was thrown from Reform::Form classes they had in their app.
How to improve nested attributes params naming for rails API mode?
1 project | /r/rails | 29 Oct 2021

We use form object design pattern. Specifically this gem: https://github.com/trailblazer/reform

What are some alternatives?

When comparing ActiveForm and Reform you can also consider the following projects:

Cocoon - Dynamic nested forms using jQuery made easy; works with formtastic, simple_form or default forms

Rails Bootstrap Forms - Official repository of the bootstrap_form gem, a Rails form builder that makes it super easy to create beautiful-looking forms using Bootstrap 5.

Simple Form - Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup.

Formtastic - A Rails form builder plugin with semantically rich and accessible markup.

Abracadabra

ComfyBootstrapForm - Rails form builder for Bootstrap 4 markup that actually works!