JSON Schema validator. Supports drafts 4, 6, 7, 2019-09, 2020-12, OpenAPI 3.0, and OpenAPI 3.1.

google-cloud-firestore is the official library for Google Cloud Firestore API.

Sync Postgres data between databases

Cucumber Expressions - a simpler alternative to Regular Expressions

Kills pumas, the code kind

Library for parsing InnoDB data files in Ruby

OpenID Connect extension for Doorkeeper.

Beautiful graphs for one or multiple datasets. Can be used on websites or in documents.

Actionable code coverage - detects untested code blocks in recent changes

TinyTDS - A modern, simple and fast FreeTDS library for Ruby using DB-Library. Developed for the ActiveRecord SQL Server adapter.

Dentaku is a parser and evaluator for mathematical formulas

Ridgepole is a tool to manage DB schema. It defines DB schema using Rails DSL, and updates DB schema according to DSL.

Droplet Kit is the official Ruby library for DigitalOcean's API

RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.

Blazingly fast DataFrames for Ruby

Ruby object mapper and serializer for XML, JSON, TOML, CSV and YAML.

Thinreports is an open source report generation tool for Ruby.

Client library for Coinbase Exchange

Forme is a forms library with the following goals: 1) Have no external dependencies 2) Have a simple API 3) Support forms both with and without related objects 4) Allow compiling down to different types of output 5) Integrate easily into web frameworks

Bit array for ActiveRecord