Modern concurrency tools including agents, futures, promises, etc.
Cucumber for Ruby
A library for setting up Ruby objects as test data
RSpec for Rails 5+
Flexible, lightweight multi-language test reporting tool
The OWASP ZAP core project
HTTP checks & tests (private & public) monitoring
SoapUI is a free and open source cross-platform functional testing
PerfView is a CPU and memory performance-analysis tool
Record your test suite's HTTP interactions and replay them
HTTP load testing tool and library. It's over 9000!
Python testing tool for writing better programs
Open Source record and playback test automation for the web
A modern load testing tool, using Go and JavaScript
LCOV
Prevents your Mac from going to sleep
A Node.js tool to automate end-to-end web testing
Fortio load testing library, command line tool, advanced echo server
A TCP proxy to simulate network and system conditions for chaos
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
Scalable open source load testing tool
Lightweight service virtualization/ API simulation / API mocking tool
Visual Regression Testing for Storybook
Automatically generate Go test boilerplate from your source code
Monitor, analyze and optimize your website speed and performance