The OWASP ZAP core project
SoapUI is a free and open source cross-platform functional testing
Flexible, lightweight multi-language test reporting tool
A Node.js tool to automate end-to-end web testing
PerfView is a CPU and memory performance-analysis tool
Python testing tool for writing better programs
Fortio load testing library, command line tool, advanced echo server
A modern load testing tool, using Go and JavaScript
Open Source record and playback test automation for the web
A TCP proxy to simulate network and system conditions for chaos
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
CLI tool to build, test, debug, and deploy Serverless applications
Cucumber for Ruby
go test with colors
Quick and Easy server testing/validation
LCOV
HTTP load testing tool and library. It's over 9000!
Automatic SQL injection and database takeover tool
Automatically generate Go test boilerplate from your source code
Install and run Python applications in isolated environments
Lightweight service virtualization/ API simulation / API mocking tool
Prevents your Mac from going to sleep
Scalable open source load testing tool
Powerful, elegant and flexible test framework for Kotlin
Generate HTTP load and plot the results in real-time