head to head · open source
osv-scanner vs bundler-audit
osv-scanner has 11,061 GitHub stars, 794 forks, 113 open issues and last shipped yesterday. bundler-audit has 2,759 stars, 247 forks, 49 open issues and last shipped 2 days ago. osv-scanner leads on adoption by 301% (11,061 vs 2,759 stars). osv-scanner is written in Go under Apache-2.0; bundler-audit is written in Ruby under GPL-3.0. osv-scanner has attracted 7% as many forks as stars, bundler-audit 9%. osv-scanner was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (security-audit, security-tools), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| osv-scanner | bundler-audit | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 2.8K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Go | Ruby |
| Last push | 2026-09-19 | 2026-09-18 |
| Forks | ⑂ 794 | ⑂ 247 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick osv-scanner if
- You weight community size — 11K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick bundler-audit if
- You want the bundler-audit feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Ruby
- You evaluated both and bundler-audit fits your workflow better
About osv-scanner
OSV Scanner is an Apache 2.0 licensed vulnerability scanner written in Go that connects a project's list of dependencies with the vulnerabilities affecting them, using data from the open OSV.dev database, and it is aimed at developers, maintainers, and security teams who need to find known vulnerabilities in the dependencies they already ship.
read the full osv-scanner overview →
About bundler-audit
bundler audit is a command line security scanner that checks a Ruby project's Gemfile.lock for known vulnerable gem versions and insecure gem sources, built for Ruby developers and CI pipelines that need patch level verification of the gems they ship.
read the full bundler-audit overview →
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Frequently asked questions
Is osv-scanner or bundler-audit more popular?
osv-scanner has 11,061 GitHub stars and bundler-audit has 2,759. osv-scanner has the larger community by that measure.
Are osv-scanner and bundler-audit free?
Both are open source. osv-scanner is licensed under Apache-2.0 and bundler-audit under GPL-3.0. Neither carries a licence fee.
What is the difference between osv-scanner and bundler-audit?
osv-scanner is written in Go and bundler-audit in Ruby. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, osv-scanner or bundler-audit?
Choose osv-scanner if you want the larger community (11,061 stars) or its Apache-2.0 licence terms. Choose bundler-audit if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.