1. Codesearch. https://cs.chromium.org/. Codesearch. https://cs.chromium.org/.
2. Coverage.py. https://coverage.readthedocs.io/en/v4.5.x/. Coverage.py. https://coverage.readthedocs.io/en/v4.5.x/.
3. Dart - Coverage. https://github.com/dartlang/coverage. Dart - Coverage. https://github.com/dartlang/coverage.
4. Istanbul Code Coverage. https://github.com/istanbuljs. Istanbul Code Coverage. https://github.com/istanbuljs.
5. JaCoCo Java Code Coverage Library. https://www.eclemma.org/jacoco/. JaCoCo Java Code Coverage Library. https://www.eclemma.org/jacoco/.