gcovr

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Freedom report

Two barsScore 5.6

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

gcovr is ranked #11 of 26 in test coverage tools on Freedom251. It runs on Linux, macOS, Windows.

Compared on test coverage tools

Free plan: Yes
Coverage types: line, branch, decision, function, condition, call
Supported languages: C, C++
Report formats: text, HTML, CSV, JSON, Markdown, Clover XML, Cobertura XML, Coveralls JSON, JaCoCo XML, LCOV, SonarQube XML
Coverage gates: Yes

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The record

Purpose: gcovr manages GNU gcov and generates summarized code coverage results.
Coverage reports: It can produce text, HTML, CSV, JSON, Markdown, Clover XML, Cobertura XML, Coveralls JSON, JaCoCo XML, LCOV, and SonarQube reports.
HTML reports: HTML output supports overview, annotated-source, nested, self-contained, themed, and customizable-template reports.
Workflow: Users compile with GCC coverage flags, run their test suite, and invoke gcovr to generate a tabular report.
Python requirement: The current release supports Python 3.10 and newer.
Operating systems: The project supports Linux, Windows, and macOS.
Compilers: Development testing covers GCC and Clang.
CI integration: Cobertura XML output is suitable for import into Jenkins and Hudson through coverage plugins.
SonarQube integration: gcovr can generate SonarQube-compatible XML coverage reports with line, branch, condition, or decision metrics.
JaCoCo integration: gcovr can generate JaCoCo XML output containing line, branch, and method counters.
Support: The documentation directs users to GitHub tickets, Stack Overflow, and Gitter for help.
License: gcovr is released under the BSD 3-Clause License, which permits redistribution and use in source and binary forms subject to its conditions.
Maintainers: The project lists Lukas Atkinson and Michael Förderer as maintainers.
Notable limitation: gcovr's branch coverage is based on GCC's low-level control-flow graph arcs, so reports can include compiler-generated branches and 100% branch coverage is impossible for most programs.

Where it ranks on Freedom251

Best Test Coverage Tools in 2026#11 of 26

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Sources

gcovr.com/en/stable/· checked 30 Sept 2026
gcovr.com/en/stable/output/html.html· checked 30 Sept 2026
gcovr.com/en/stable/getting-started.html· checked 30 Sept 2026
gcovr.com/en/stable/installation.html· checked 30 Sept 2026
gcovr.com/en/stable/output/cobertura.html· checked 30 Sept 2026
gcovr.com/en/stable/output/sonarqube.html· checked 30 Sept 2026
gcovr.com/en/stable/output/jacoco.html· checked 30 Sept 2026
gcovr.com/en/stable/license.html· checked 30 Sept 2026
gcovr.com/en/stable/faq.html· checked 30 Sept 2026
gcovr.com/en/latest/· checked 1 Oct 2026
gcovr.com/en/latest/faq.html· checked 1 Oct 2026
gcovr.com/en/latest/guide.html· checked 1 Oct 2026