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Object-relational mapping

See on ruby-toolbox ↗ Libraries that map SQL database tables and rows to Ruby classes and objects in order to enable easy interaction with the data persistence layer from your program

recent from @rubygems

activerecord

Object-relational mapper framework (part of Rails).

  • 8.1.4 Sep 24 2026 gem.coop system

rom

Persistence and mapping toolkit for Ruby

  • 6.0.0.alpha1 Apr 15 2022 gem.coop system

sequel

The Database Toolkit for Ruby

  • 5.99.0 Dec 01 2025 gem.coop system

older from @rubygems

dm-core

DataMapper core library

  • 1.2.1 Jun 10 2013 gem.coop system

og

Og (ObjectGraph)

  • 0.9.5 Jul 25 2009 gem.coop system

orm_adapter

orm_adapter provides a single point of entry for using basic features of popular ruby ORMs. Its target audience is gem authors who want to support many ruby ORMs.

  • 0.5.0 Nov 12 2013 gem.coop system

squeel

Active Record, improved.

  • 1.2.3 Feb 05 2015 gem.coop system