Suspenders is a Rails plugin containing generators for configuring Rails applications. It is used by thoughtbot to get a jump start on a new or existing app. Use Suspenders if you're in a rush to build something amazing; don't use it if you like missing deadlines.

Run shell commands safely, even with user-supplied values

This gem provides common Dangerfile and plugins for GitLab projects.

A collection of test-related tools.

Real Vim ninjas count every keystroke - do you? Pick a challenge on vimgolf.com, fire up Vim, and show us what you got.

Integration tests for GitLab

Run background jobs / tasks of Rails applications deployed in Amazon Elastic Beanstalk environments. Active Elastic Job is an Active Job backend which is easy to setup. No need for customised container commands or other workarounds.

Automation framework built by GitLab, for the world.

Execute your ActiveRecord migrations with Percona's pt-online-schema-change. Formerly known as Percona Migrator.

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

A lightweight cron scheduler for the Que async job worker

This gem makes Rails console sessions less dangerous in specified environments by warning, color-coding, auto-sandboxing, and allowing read-only external connections (disables job queueing, non-GET requests, etc.)

Aptible CLI

A set of adapters providing easy access to the GDS GOV.UK APIs

Record the operation of a Ruby program, using the AppLand 'AppMap' format.

Organise your Docker containers with muscle and intelligence

Command-line tool for puma to display information about running request/process

Firebase Admin SDK for Ruby

LedgerSync is a simple library that allows you to sync common objects to popular accounting software like QuickBooks Online, Xero, NetSuite, etc.

Open OnDemand core library that provides support for an HPC Center to globally define HPC services that web applications can then take advantage of.