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Starmapper Review

Depends

Should I use Starmapper?

See who stars your repo, on a map - starmapper.bruniaux.com

· 2 days ago

Open source maintainers buy this to see where their stargazers live. It is free and needs no account. Teams needing star trends, exports, or vendor support buy Star History or use GitHub's own data instead.

Confidence

Medium. Based on 12 public sources. Unrelated starmapper.com astrology results and NASA starmapper papers were excluded.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

$0

Free

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • Open source maintainers
  • DevRel teams showing repo reach
  • Zero-budget side projects
  • GitHub-first projects

Not for

  • Enterprises needing SLAs, contracts, or support
  • Teams tracking star trends over time
  • Marketers wanting qualified leads from stars
  • GitLab or Bitbucket projects

Gotchas - check before you buy

high

GitHub cut off public stargazer access. Verify your repo still maps before you rely on it.

medium

Geocoding uses profile locations. Stargazers without a location never appear on your map.

medium

One solo maintainer in France. Fixes and uptime depend on one person.

medium

An external audit tracked 12 code findings in 2026-05. Read the issue first.

Pros and cons

Pros

  • Free with no account, no login.
  • Maps stargazers of any GitHub repo on a world map.
  • Open source with published architecture docs.
  • Sponsored by Jawg Maps, a real map provider.
  • Publishes changelog, privacy policy, and coordinated disclosure policy.

Cons

  • Single feature: star geography only, no trends or history charts.
  • Geocoding relies on GitHub profile locations, so maps have gaps.
  • GitHub restricted public stargazer access, shrinking the data source.
  • Operated by one solo developer in France.
  • External audit tracked 12 code findings.

Sources & method

- 10 sources - Publishes a coordinated disclosure policy and privacy policy, and sets one technical cookie. An external audit tracked 12 findings on 2026-05-17.

official x6review x1security x2news x1
  • External code audit: 12 findings, A public GitHub issue tracks 12 findings from an external code audit dated 2026-05-17.

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 5/5. Free with no account required.
  • Ease of use: 4/5. Paste a repo URL and view a map.
  • Feature depth: 2/5. One map view, no trends or exports.
  • Support quality: 2/5. Solo maintainer, no support team.
  • Security posture: 3/5. Disclosure policy exists, audit tracked 12 findings.
  • $0 Starting price No account, no login needed
  • Yes Free tier Whole product is free
  • 1 Maintainers Solo developer, France
  • 12 Audit findings External code audit, 2026-05-17

Pricing

Free

$0

  • Paste a GitHub repo URL, no login
  • Interactive world map of stargazers
  • Open source code on GitHub

Security

Publishes a coordinated disclosure policy and privacy policy, and sets one technical cookie.

  • External code audit: 12 findingsA public GitHub issue tracks 12 findings from an external code audit dated 2026-05-17.⁷

An external audit tracked 12 findings on 2026-05-17.

What users say

Reddit mentions exist but review content is thin, so no substantial user verdicts appear in the sources.

Alternatives

Compare Starmapper with each alternative.

  • Star History

    Free star history charts, better for trends than maps.

    Starmapper vs Star History

  • GitHub Insights

    Native traffic and star data inside GitHub, always current.

  • GitHub API plus a spreadsheet

    Export stargazers yourself for full control and filters.

Companies that use it

  • CarbonPlan
  • Agility CMS
  • go-swagger
  • GraphNAS
  • NSA (nationalsecurityagency)
Full analysis

Based on 12 public sources. Unrelated starmapper.com astrology results and NASA starmapper papers were excluded.

Free, no-login map of who stars your GitHub repo. Fun and useful, but thin analytics and GitHub data limits hurt.

Methodology

Based on 12 public sources. Unrelated starmapper.com astrology results and NASA starmapper papers were excluded.

Read how a report is made.

Sources

  1. FlorianBruniaux/starmapper on GitHubgithub.com
    official
  2. StarMapper FAQstarmapper.bruniaux.com
    official
  3. StarMapper roadmap: GitHub restricted public stargazer accessstarmapper.bruniaux.com
    official
  4. GitHub Star History vs StarMapperstarmapper.bruniaux.com
    official
  5. StarMapper legal pagestarmapper.bruniaux.com
    official
  6. StarMapper security pagestarmapper.bruniaux.com
    security
  7. External code audit: 12 findingsgithub.com
    security
  8. Jawg Maps sponsorship announcementlinkedin.com
    news
  9. Live MCP App building session with StarMapperreddit.com
    review
  10. StarMapper architecture docsgithub.com
    official

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