Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes. Strong conventions for associations, validations, aggregations, migrations, and testing come baked-in.
Required Ruby Version
>= 3.1.0
Required Rubygems Version
> 1.3.1
Authors
David Heinemeier Hansson
Versions
- 8.1.3.1 July 29, 2026 (556 KB)
- 8.1.3 March 24, 2026 (556 KB)
- 8.1.2.1 March 23, 2026 (555 KB)
- 8.1.2 January 08, 2026 (554 KB)
- 8.1.1 October 28, 2025 (554 KB)
- 7.2.0.beta2 June 04, 2024 (528 KB)
