Free developer tools

Copy the command. Skip the setup.

Interactive configurators from Zero Config Rails. Build Rails generator commands, install gems with one line, and skip the manual wiring.

Browse tools

Available now

Every tool in one place

Pick a configurator, tune the options, copy the command.

Open tool →

Rails App Generator

Build a rails new command with the right flags - no man page archaeology.

rails new

Open tool →

Model Generator

Generate a model with optional migration, attributes, and ORM options.

rails generate model

Open tool →

Scaffold Generator

Scaffold a full REST resource from model through views and tests.

rails generate scaffold

Open tool →

Controller Generator

Generate a controller, views, and tests with optional actions.

rails generate controller

Open tool →

Migration Generator

Generate a database migration with optional column definitions.

rails generate migration

Open tool →

Resource Generator

Generate a RESTful resource with model and controller (no views).

rails generate resource

Configure →

Annotate

Annotate Rails classes with schema and routes info

zen add annotate

Configure →

Avo

Admin Panel Framework, Content Management System, and Internal Tool Builder

zen add avo

Configure →

Devise

Flexible authentication solution for Rails with Warden

zen add devise

Configure →

Dotenv

Ruby gem to load environment variables from `.env`

zen add dotenv

Configure →

Figjam

ENV configuration for Ruby using YAML files

zen add figjam

Configure →

Gitlab CI

Setup Gitlab CI

zen add ci:gitlab_ci

Configure →

Honey Badger

Application health monitoring tool built by developers for developers

zen add honeybadger

Configure →

Letter Opener

Preview mail in the browser instead of sending it to the real mailbox

zen add letter_opener

Configure →

Overcommit for RuboCop

Fully configurable and extendable Git hook manager

zen add overcommit:pre_commit:rubocop

Configure →

Rails ERD

Generate Entity-Relationship Diagrams for Rails applications

zen add rails_erd

Configure →

RSpec Rails

Rails Test Framework. Behaviour Driven Development for Ruby

zen add rspec

Configure →

Webmock

Admin Panel Framework, Content Management System, and Internal Tool Builder

zen add webmock

Configure →

Whenever

Cron jobs in Ruby

zen add whenever

Gem installers

One command instead of a checklist

The zen gem wraps Boring Generators so you configure options in the browser and paste a single install line.

Just this

gem install zcr-zen
zen add devise

Instead of all this

bundle add devise
bin/rails generate devise:install
bin/rails generate devise User
bin/rails db:migrate
Configure mailer, routes, flashes…
The full product

Need the whole SaaS stack - not just one gem?

Zero Config Rails compiles regression-tested Rails 8 apps with teams, Stripe billing, admin, and CI already wired. Same integrated stack every time - you own the source.

  • SaaS or Vanilla Rails recipe at compile time
  • Pay, Pundit, admin, Kamal deploy path
  • CI matrix passes before you download
  • .cursor/rules and AGENTS.md included