Maglev version 2 has been released 🎉. Read the changelog

The Visual Page Builder for Ruby on Rails

Empower your users to create pages visually — while keeping full control as a developer.

Install it now! Source code

Built for Rails developers

A visual page builder that fits your stack perfectly

Empower your clients

Live Preview

Real-time previews make it easy for your clients to edit with confidence — no guesswork, no surprises.

Add it like any Rails engine

Fits Any Rails App

Whether you're using Devise, Sorcery, Avo, or custom auth — Maglev integrates smoothly without dictating your architecture.

Visual editing made easy

Built for power users

Empower non-developers to build beautiful pages using your predefined sections — no code required.

Built-in internationalization

Multi-language Support

Manage content across multiple languages seamlessly. Maglev works out-of-the-box with Rails I18n and custom locales.

Drive organic traffic

SEO-friendly by design

Configure SEO tags and canonical URLs with ease — no plugins or extra setup required.

Customization at your fingertips

Build your very own library of sections.

Create a library of reusable, pre-made sections that align with your specific needs, giving your clients the tools they need to build unique pages. With Maglev, you have the flexibility to tailor every aspect of your sections to fit your platform’s style and functionality.

Generate Sections with CLI Generators.: Quickly and easily create new sections using Maglev’s CLI generators, allowing you to build your section library with minimal effort.
Describe Section Behavior with YAML.: Define the behavior and properties of each section in the Maglev editor using simple YAML configurations, ensuring each section behaves exactly as you intend.
Use Your Preferred Templating Language and Asset Pipeline.: Maglev seamlessly integrates with the templating language and Rails asset pipeline you’re already using in your Rails app, whether it’s HTML/ERB, HAML, or others, along with Webpacker, Sprockets, or Vite.

hero.html.erb

hero.yml

<%= maglev_section.wrapper_tag.div do %>
<%= maglev_section.setting_tag :title, html_tag: 'h1' %>

<div class="main-picture">
  <%= maglev_block.setting_tag :picture %>
</div>

<div class="centered-links">
  <%= maglev_section.setting_tag :primary_link %>
  <%= maglev_section.setting_tag :second_link %>
</div>
<% end %>

# Name of the section displayed in the editor UI
name: "Hero"

# Category of the section in the editor UI (headers, features, testimonials, ...etc)
category: hero

# Definition of the settings:
# A setting type can be one of the following values: text, image, link, collection_item, checkbox, color and icon.
# Please visit: https://docs.maglev.dev/concepts/setting for more explanation.
settings:
- label: "Title"
id: title
type: text
default: "Lorem ipsum"

- label: "Primary link"
id: primary_link
type: link
with_text: true
default:
  text: "Get started"
  url: "#"

Who is Maglev for?

Maglev brings a visual editing experience your clients (or users) will actually enjoy — something you won't find anywhere else in the Rails world.

For agencies Open Source

Give your clients full editing autonomy with a clean, intuitive interface. No more "can you update this text for me?" emails.

For SaaS products SaaS Edition

Embed a fast, white-label page builder directly into your app. Your users stay on-brand and in control — without leaving your platform.

Learn more

For freelancers & teams Open Source

Focus on structure and components, not hand-holding content edits. Say goodbye to bloated CMSs and hello to blazing-fast workflows.

Open Source or SaaS Edition?

Choose the edition that fits your needs. Both versions give you the same powerful visual page builder — the difference is in the advanced features and support.

I want to know more about the SaaS edition →

Features What you get with each edition	Open Source Free Perfect for agencies and freelancers	SaaS Edition 499€/year For multi-tenant SaaS platforms
Build visual pages	Open Source	SaaS Edition
Custom YAML + ERB/HAML sections	Open Source	SaaS Edition
SEO & multilingual support	Open Source	SaaS Edition
Multi-site / SaaS integration		SaaS Edition
Multi-theme		SaaS Edition
Support		SaaS Edition

SaaS Edition: 499€ (first year) + 199€/year for updates & support

Try Maglev locally in 2 minutes!

Want to see how Maglev works in a Rails app?

Follow our quick Getting Started guide to run Maglev with just a few commands.

No config. No vendor lock-in. Just Rails.

Install it