TLDR will run your tests, but only for 1.8 seconds.

An easy to use, high-performance, flexible and extensible metadata transformation system, focused on library-archives-museums input, and indexing to Solr as output.

vmpooler provides configurable pools of instantly-available (running) virtual machines

Add drag and drop reordering to ActiveAdmin tables.

Algebraic effects

The ruby-jss gem provides native ruby access to the REST APIs of Jamf Pro, an enterprise/education tool for managing Apple devices, from jamf.com. The Jamf module provides access to both the 'Classic' API and the more modern 'Jamf Pro' API. Jamf Pro objects are implemented as classes and can interact with each other. Authentication tokens, data transfer using JSON or XML and other details are handled automatically under the hood to allow simpler, intuitive automation of Jamf-related tasks.

Tiny full-text search for Ruby powered by Tantivy.

Utopia is a framework for building dynamic content-driven websites.

Aptible CLI

autoproj is a manager for sets of software packages. It allows the user to import and build packages from source, still using the underlying distribution's native package manager for software that is available on it.

Adds an update-interactive command to Bundler

A tool for scraping emails, social media accounts, and many more information from websites using Google Search Results.

A data loading utility to batch loading of promises. It can be used with graphql gem.

Delayed is a multi-threaded, SQL-driven ActiveJob backend used at Betterment to process millions of background jobs per day. It supports postgres, mysql, and sqlite, and is designed to be Reliable (with co-transactional job enqueues and guaranteed, at-least-once execution), Scalable (with an optimized pickup query and concurrent job execution), Resilient (with built-in retry mechanisms, exponential backoff, and failed job preservation), and Maintainable (with robust instrumentation, continuous monitoring, and priority-based alerting).

A complete, standalone view rendering system that gives you everything you need to write well-factored view code

Elastic beats plugin for Fluentd event collector

google-cloud-spanner is the official library for Google Cloud Spanner API.

Gem to distribute the GOV.UK Tech Docs Template. See https://github.com/alphagov/tech-docs-gem for the project.

The Instana gem is a zero configuration tool that will automatically collect key metrics and distributed traces from your Ruby processes. Just install and go.

Scalable Rails Background Processing with AWS Lambda & SQS.