Modern concurrency tools including agents, futures, promises, etc.
Cucumber for Ruby
A library for setting up Ruby objects as test data
Flexible, lightweight multi-language test reporting tool
RSpec for Rails 5+
The OWASP ZAP core project
SoapUI is a free and open source cross-platform functional testing
HTTP checks & tests (private & public) monitoring
PerfView is a CPU and memory performance-analysis tool
Record your test suite's HTTP interactions and replay them
A modern load testing tool, using Go and JavaScript
Python testing tool for writing better programs
Open Source record and playback test automation for the web
HTTP load testing tool and library. It's over 9000!
A TCP proxy to simulate network and system conditions for chaos
A Node.js tool to automate end-to-end web testing
Automation for iOS, Android, and Windows Apps
Prevents your Mac from going to sleep
Install and run Python applications in isolated environments
Scalable open source load testing tool
LCOV
Fortio load testing library, command line tool, advanced echo server
CLI tool to build, test, debug, and deploy Serverless applications
Complete Mandiant Offensive VM (Commando VM)
Automatically generate Go test boilerplate from your source code