Browser automation
18 tools
Frameworks and drivers that automate web browsers for end-to-end testing.
Open-source QA tool categories
203 tools in 16 categories. A tool appears under its primary category and, where it has one, a secondary category, so the counts below add up to more than the number of tools.
Metrics as of , from the GitHub or GitLab API of each repository. Refreshed monthly.
Mobile automation
10 tools
Frameworks that automate native and hybrid mobile apps on iOS and Android.
API testing
11 tools
Tools for testing HTTP, GraphQL and gRPC APIs, including clients and assertion libraries.
Performance and load testing
16 tools
Tools that generate load and measure response times and throughput.
Unit testing and test runners
28 tools
Test runners and assertion libraries for unit and integration tests.
BDD
13 tools
Behaviour-driven development frameworks and Gherkin runners.
Visual regression
8 tools
Screenshot comparison and visual diff tools.
Accessibility testing
9 tools
Automated accessibility checkers and rule engines.
Security testing
18 tools
Open-source scanners and fuzzers used in application security testing.
Test management and reporting
4 tools
Test case management, reporting and dashboards.
Test data and mocking
23 tools
Fake data generators, mock servers and service virtualisation.
Contract testing
10 tools
Consumer-driven contract testing tools.
Chaos and resilience
10 tools
Fault injection and resilience testing tools.
AI and LLM evaluation
11 tools
Frameworks for evaluating LLM outputs, RAG pipelines and agents.
Code quality and static analysis
21 tools
Linters, static analysers and mutation testing tools used for quality gates.
CI and reporting
11 tools
Coverage tools, CI test-result reporters and test-run tooling used in pipelines.