travisjeffery / timecop

A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.

brotandgames / ciao

HTTP checks & tests (private & public) monitoring - check the status of your URL

holidays / holidays

A collection of Ruby methods to deal with statutory and other holidays. You deserve a holiday!

grodowski / undercover

undercover warns about methods, classes and blocks that were changed without tests, to help you easily find untested code and reduce the number of bugs. It does so by analysing data from git diffs, code structure and SimpleCov coverage reports

basecamp / upright

Synthetic monitoring engine with Playwright and Prometheus metrics

Shopify / statsd-instrument

A StatsD client for Ruby apps. Provides metaprogramming methods to inject StatsD instrumentation into your code.

discourse / prometheus_exporter

A framework for collecting and aggregating prometheus metrics

prometheus / client_ruby

Prometheus instrumentation library for Ruby applications