Add organizations to any Rails app (with members, roles, and invitations). This gem implements the complete User → Membership → Organization pattern with scoped invitations, hierarchical roles (owner, admin, member, viewer), permissions, and organization switching. Turn a User-based app into a multi-tenant, Organization-based B2B SaaS in minutes.

OrgTp shows text table like emacs org-table for easy reading.

Command Pattern Implementation for easy use with rails

A simple library for storing temporary orphan records.

Get rid of spam on your Outlook account

Provides ActiveModel/ActiveRecord validators for OSU emails, name.#s, and emplids.

Designed to scan for security problems in the boot chain of the operating system.

This is web comic crawler that Akihabara otaku.

Add obvious `left_joins`, `outer_joins` methods to ActiveRecord as plain way to outer joins tables.

Simple gem to work with otrs

Rails engine that stores outbound mail like Action Mailbox stores inbound mail.

outboxd implements the transactional outbox pattern: stage events atomically alongside your database writes, then dispatch them to pluggable transports. Database-agnostic via ActiveRecord — PostgreSQL, MySQL, and SQLite are all first-class. The durability layer your message bus assumed you already had.

Transactional outbox implementation for event driven Ruby on Rails applications that use SQL

Content aggregator for Outpost

Run block only if not inside a transaction or when transaction is committed.

Download, import, query, sync, and serve Overture Maps open geospatial data: bbox-filtered GeoParquet extracts via DuckDB, PostGIS imports with GERS changelog syncing, an ad-hoc query API, a mountable REST/MVT engine, and an MCP server. Unofficial community gem, not affiliated with the Overture Maps Foundation.

A double-entry bookkeeping system for Ruby on Rails

Building blocks used to implement an API around a domain pack. Includes tools for data transformation, discoverable filters, building ActiveRecord queries from API arguments, breaking query results across pages, and fetching data from API endpoints.

to access hashed fields more easily

A Charming terminal user interface.