Lightweight service virtualization/ API simulation / API mocking tool
Test automation made simple
Flexible, lightweight multi-language test reporting tool
PerfView is a CPU and memory performance-analysis tool
The OWASP ZAP core project
SoapUI is a free and open source cross-platform functional testing
Python testing tool for writing better programs
A modern load testing tool, using Go and JavaScript
Open Source record and playback test automation for the web
Cucumber for Ruby
Fortio load testing library, command line tool, advanced echo server
HTTP load testing tool and library. It's over 9000!
Scalable open source load testing tool
Delightful JavaScript Testing
A TCP proxy to simulate network and system conditions for chaos
LCOV
Automatically generate Go test boilerplate from your source code
A Node.js tool to automate end-to-end web testing
Super-agent driven library for testing node.js HTTP servers
Quick and Easy server testing/validation
Find vulnerabilities, misconfigurations, secrets, SBOM in containers
Automatic SQL injection and database takeover tool
Monitor, analyze and optimize your website speed and performance
CLI tool to build, test, debug, and deploy Serverless applications
Powerful, elegant and flexible test framework for Kotlin