Metova libraries for Ruby on Rails

Annotate a Sequel Model with its expected schema and immediately identify inconsistencies.

Convert MongoDB query to Arel for PostgreSQL + JSON

Add table-level database locking to ActiveRecord

A collection of tools for multitenant Ruby/Rails apps

Mumuki Platform's Domain Model

Where students practice and receive automated and human feedback.

Postgresql constraints in migrations similiar to ActiveRecord validations

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No more querying views in your Rails apps

Notifiable engine for Rails.

This project intend to offer a full notification system, back and front-end.

Transparently store MongoDB ObjectId values in ActiveRecord.

Rails gem to treat DB functions, triggers, etc more like code, and make them more discoverable

Tools to help launch apps in Docker

LTI mountable engine

Rails admin engine

Pasture provides a RESTful API to serve all your cowsay needs.

Multi-tenancy framework. Out of the box, supports Postgres schemas and per-tenant databases

Periodic Calculations gem allows you to retrieve periodic results of aggregates that can be accumulated over time with PostgreSQL.