WebMock: Stub and Set Expectations on HTTP Requests for Testing

Onebox: Turn URLs into Website Previews

Truemail 1.0: A Configurable Plain Ruby Email Validator

Flatware: A Parallel Test Runner for RSpec and Cucumber with Pretty Output

Rambulance: Dynamically Render Error Pages or JSON Responses for Rails Apps

Working with Tests That Sometimes Fail

RailsConf 2019 Videos

What Makes a Good Changelog?

WAFL: A Scalable MVP Alternative

VCR 5.0: Record Your Test Suite's HTTP Interactions and Replay Them