head to head · open source
vuls vs bundler-audit
vuls has 12,264 GitHub stars, 1,243 forks, 92 open issues and last shipped yesterday. bundler-audit has 2,759 stars, 247 forks, 49 open issues and last shipped 2 days ago. vuls leads on adoption by 345% (12,264 vs 2,759 stars). vuls is written in Go under GPL-3.0; bundler-audit is written in Ruby under GPL-3.0. vuls has attracted 10% as many forks as stars, bundler-audit 9%. vuls was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (security, 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
| vuls | bundler-audit | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 2.8K |
| License | GPL-3.0 | GPL-3.0 |
| Written in | Go | Ruby |
| Last push | 2026-09-19 | 2026-09-18 |
| Forks | ⑂ 1.2K | ⑂ 247 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick vuls if
- You weight community size — 12K stars and counting
- You want the GPL-3.0 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 vuls
Vuls is an agent less vulnerability scanner written in Go and licensed under GPL 3.0, aimed at system administrators and security teams that must find and track known vulnerabilities across Linux, FreeBSD, Windows and macOS hosts, containers, WordPress installs, programming language libraries and network devices without installing an agent on every machine.
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 vuls or bundler-audit more popular?
vuls has 12,264 GitHub stars and bundler-audit has 2,759. vuls has the larger community by that measure.
Are vuls and bundler-audit free?
Both are open source. vuls is licensed under GPL-3.0 and bundler-audit under GPL-3.0. Neither carries a licence fee.
What is the difference between vuls and bundler-audit?
vuls 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, vuls or bundler-audit?
Choose vuls if you want the larger community (12,264 stars) or its GPL-3.0 licence terms. Choose bundler-audit if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.