JaCoCo
Metrics as of , from the GitHub or GitLab API of each repository. Refreshed monthly.
What JaCoCo is
JaCoCo is a code coverage library for Java, distributed under the Eclipse Public License. The EclEmma team created it from its experience using and integrating earlier coverage libraries. Documented integration points are Maven, Ant and a command line interface. Further integrations are listed in its documentation. Releases are available from Maven repositories. Snapshot builds from the master branch are published automatically.
Written from the project's README, read , and its documentation (see sources).
- Category
- CI and reporting
- License
- EPL-2.0
- Language
- Java
- Changelog
- Releases on GitHub
Repository metrics
Status
activeLast commit within 90 days of the fetch date.Computed from the last commit date and the archive flag on the fetch date. See the status rules.
Alternatives
Listed CI and reporting tools, same primary language first, then by GitHub stars. Each line gives one fact from the tool's documentation where it differs from JaCoCo's, with its source.
Lighthouse CI: Languages or inputs covered: URLs, or HTML files in a static build directory (staticDistDir). source: Docs: Configuration
nyc: Languages or inputs covered: JavaScript (ES5, ES2015+); Babel and TypeScript through source maps. source: README
Allure Report: Languages or inputs covered: Result files written by framework integrations to the allure-results directory. source: Docs: How to generate a report
Coverage.py: Languages or inputs covered: Python code (CPython 3.10 to 3.15, PyPy3). source: README
gotestsum: Languages or inputs covered: Go test output (go test -json). source: README
c8: Languages or inputs covered: JavaScript run in Node.js through native V8 coverage; TypeScript and JSX through source maps. source: README
ReportPortal: Languages or inputs covered: Test results sent by framework agents; imported JUnit or Robot Framework XML files. source: Docs: Import data to ReportPortal
Test Reporter: Languages or inputs covered: Test result files in XML or JSON format. source: README
Comparisons
Questions
Is JaCoCo open source?
Yes. JaCoCo is released under EPL-2.0, an OSI-approved license, as reported by the GitHub API on 2026-09-22.
Is JaCoCo maintained?
On 2026-09-22, the last commit to the default branch was on 2026-09-15, so the listed status is active. Rule: Last commit within 90 days of the fetch date.
How many GitHub stars does JaCoCo have?
4,603 stars on 2026-09-22, from the GitHub API. The number is refreshed at each monthly update.
What language is JaCoCo written in?
The repository's primary language, as reported by the GitHub API, is Java.
Sources
- GitHub REST API: repository, read
- GitHub REST API: commits, read
- GitHub REST API: latest release, read
- GitHub REST API: contributors, read
- LICENSE file, read
- README, read
- JaCoCo Java Code Coverage Library (homepage), read