Gives you most of the familiarity of ActiveRecord, but with the scalability of cassandra.

Simple dsl for defining how to calculate how complete a model instance is (similar to LinkedIn profile completeness)

Diametric is a library for building schemas, queries, and transactions for Datomic from Ruby objects. It is also used to map Ruby objects as entities into a Datomic database.

ActiveModel + Redis

This gem reduces storage needed for Rails cache by using Brotli compression, which can produce outputs smaller by ~20% and offers better performance than Gzip.

The Let's Encrypt certificate manager for rails

validates provides a set of commonly required validators (such as Email, Url, etc.) for Rails applications

An implementation of the Command Pattern for Ruby with ActiveModel::Validations inspired by the interactor gem. Rich support for attributes, callbacks, and validations, and thread safe performance methods.

ActiveModel extension with support for ActiveRecord-like Attributes API

Ruby API for use with bitstamp.

Fast Rails serializer with built-in caching

Automatically includes Modules from app/concerns/<module_with_concerns>/<concern>.rb into <module_with_concerns> to ease monkey-patching associations and validations on ActiveRecord::Base descendents from other gems when layering schemas.

Mongoid Extension that simplifies MongoDB casting and operations on spatial Ruby objects.

A smart api explorer for a rails app

An interface for creating feature-driven operations.

The core of Wallaby

XDR Helper Library

Writing specs for complex validations is annoying. AcceptValuesFor makes iteasy to test your validations with real world values, asserting which valuesshould be accepted by your model and which should not.

Directed Acyclic Graph hierarchy for Rail's ActiveRecord, supporting Rails 4.x

CPF validation for ActiveModel