#2121st of 36 in SaaS and app starters
bullet_train
Ruby on Rails template for building multi-tenant SaaS apps
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- Stars
- 1.9k
- License
- MIT
- Last commit
- Oct 2026
- Last release
- May 2026
- Language
- Ruby
1,859 on 31 Mar 20261,890 on 20 Oct 2026
From GitHub's daily star counts.
Checked on GitHub.
Overview
Bullet Train is a Ruby on Rails application template for SaaS products. You clone it (not fork), run bin/configure and bin/setup, and it serves locally on port 3000 using PostgreSQL and Redis for Action Cable and job queues. The README describes no AI features, so it fits this list only as a general SaaS starter.
Who it is for: Rails developers starting a multi-tenant SaaS product
Strengths
- MIT-licensed Rails template with bin/configure, bin/setup and bin/dev scripts
- Deploy buttons for Render (about $30/month) and Heroku (about $140/month)
- Standard Rails stack: PostgreSQL, Redis, Action Cable, background jobs
- Developer docs and a community Discord server
Weaknesses
- README mentions no built-in AI or LLM integration
- Ruby on Rails only; Node and Yarn also required
- Homebrew setup steps cover macOS only
- Setup needs manual rbenv, nvm and shell configuration
What it needs
- Ruby
- Needs PostgreSQL, Redis, Ruby (rbenv), Node.js (nvm), Yarn
- Docker
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| 3 | dotnet-starter-kit.NET 10 multi-tenant SaaS starter with two React 19 front-ends | 71 out of 100 |
| #4 | twentyOpen-source CRM extensible with objects, views and agents defined as code | 69 out of 100 |
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