Bullet Train
by Andrew Culver

A Ruby on Rails SaaS-in-a-Box that saves developers months of effort and new founders tens of thousands of dollars.
Frameworks
Payments
Bullet Train summary
Bullet Train is an MIT-licensed, Rails-based framework that accelerates SaaS development by providing a comprehensive set of features out of the box, allowing developers to focus on building unique functionality. The framework includes user authentication, teams and invitations, security and permissions, roles, and a professionally designed Tailwind CSS theme, enabling developers to quickly create robust and visually appealing applications.
Bullet Train’s technical capabilities extend beyond the core framework, offering a Grape-powered JSON:API-compliant REST API, outgoing webhooks, language support, and blazing-fast JavaScript and CSS, ensuring scalability, flexibility, and future-readiness. The framework also streamlines the development process with features like one-click deploys, a framework override workflow, and a comprehensive test suite, empowering developers to focus on innovation.
For enterprises and high-growth startups, Bullet Train Pro takes the framework even further, providing advanced features such as subscriptions and billing, action models, real-time conversations, and in-app audit logs, making it an ideal choice for complex SaaS applications. Bullet Train’s extensive feature set, combined with its focus on developer productivity and scalability, makes it a compelling choice for web developers looking to build and deploy SaaS applications quickly and efficiently.
Pricing
- $0 for Open Source
- $349/year for Bullet Train Billing for Stripe (1 licence per application, but not per environment) - Everything in Open Source + robust SaaS billing functionality that integrates with your Stripe account.
- $550/year for Bullet Train Pro (1 licence per application, but not per environment) - Everything in Open Source + Stripe billing, action models, real-time conversations, and in-app audit logs.
All licences include
- Blazing fast JS and CSS
- Blazing fast, turn-key CI
- Complete test coverage
- Dark mode
- Framework override workflow
- Full mobile-responsiveness
- Full theme engine
- Gorgeous Tailwind CSS theme
- Language support
- Next-generation scaffolding
- Onboarding workflows
- One-click deploys
- Outgoing webhooks
- Rest API
- Rich form fields
- Roles
- Security and permissions
- Simplest. Reactivity. Ever.
- Teams and invitations
- Third-party integrations
- User authentication
- Write system tests in-browser
- Future updates
Pro licence includes additional features, likes:
- Action models
- In-app audit logs
- Real-time conversations
- Subscriptions and billing (Stripe)
Optimised hosting
Payment processors
Languages / frameworks
- Ruby on Rails
- Bootstrap
- Tailwind CSS
- add your own CSS framework
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