activeadmin-oidc plugs generic OpenID Connect single sign-on into ActiveAdmin. It builds on Devise + omniauth_openid_connect and adds JIT user provisioning, role mapping from provider claims via a host-owned on_login hook, and a single install generator that wires everything up.

Collection of Active Storage analyzers

Framework for business logic classes in a Ruby on Rails application

ActiveMatrix is a comprehensive Rails-native Matrix SDK that enables developers to build sophisticated multi-agent bot systems and real-time communication features. This gem provides deep Rails integration with ActiveRecord models, state machines for bot lifecycle management, multi-tiered memory systems, intelligent event routing, connection pooling, and built-in inter-agent communication. Perfect for building chatbots, automation systems, monitoring agents, and collaborative AI systems within Rails applications. Features include command handling, room management, media support, end-to-end encryption capabilities, and extensive protocol support (CS, AS, IS, SS).

ActiveModel validator for ip address.

This is an example gem used in my RailsConf 2020 talk. Please don't use in production! https://bruckmayer.net/rails-conf-2020

Applying partition with flexible and risk-free by auto generate partitioned tables, manage partitions directly from ActiveRecord models.

A RAG (Retrieval Augmented Generation) engine that integrates seamlessly with Rails applications

Using this gem, ActiveRecord's JSON attribute is deserialized into HashWithIndifferentAccess.

`activerecord-creating_foreign_keys` defines FOREIGN KEY Constraints in a CREATE TABLE Statement.

Backport of ActiveRecord::Base.ignored_columns into Rails 4 and 5.0

Adds a :uuid column to ActiveRecord MySQL2 Adapter. Store UUIDs as 16 bytes binary column.

Adding clean and powerful query syntax on Active Record using refinements

A handler for storing TimeOfDay objects in ActiveRecord objects as sql time values.

Add a `to_hash` method that can acquire the relations to the active record.

Lightweight JSON logger and formatter integrating with Rails/ActiveSupport. No extra deps beyond Rails/Activesupport. Compatible with Rails 7–8.

ActiveVersion is a language-agnostic versioning library that unifies three core use cases: translations (locale-based), revisions/drafts (workflow snapshots), and audits (change tracking).

Extends Active Record to add simple function for draw the Force Directed Graph with html.

ActsAsTreeDiagram extends ActsAsTree to add simple function for draw tree diagram with html.

AdminInvitable includes a generator to make devise invitable gem work with ActiveAdmin.