About LaunchKit

Every module a modern Rails application needs, already built and tested: authentication and social sign-in, Stripe billing and a customer billing portal, an admin console, feature flags, transactional email, onboarding, a support inbox, referrals, real-time notifications, an AI layer and a JSON API.

You download the full source and keep it. One payment, no subscription, no seat count, and no runtime dependency on us. What you build on top of it is yours alone.

LaunchKit comes from RubyCademy, where we teach Ruby and Rails the practical way, with examples people can use the day they read them.

The people who write the courses write this code. That is the whole argument for it: it reads like something a Rails developer would have written, because it is.

Plain Rails 8, and as little else as possible. Hotwire on the front, Solid Queue and Solid Cache behind, Propshaft for assets. No Node, no Redis, no build step to babysit.

Fewer moving parts is not a style preference here. It is what makes a codebase you did not write safe to change on your first afternoon with it.