head to head · open source
ProjectDiscovery vs bundler-audit
ProjectDiscovery has 31,319 GitHub stars, 3,877 forks, 107 open issues and last shipped 2 days ago. bundler-audit has 2,759 stars, 247 forks, 49 open issues and last shipped 2 days ago. ProjectDiscovery leads on adoption by 1,035% (31,319 vs 2,759 stars). ProjectDiscovery is written in Go under MIT; bundler-audit is written in Ruby under GPL-3.0. ProjectDiscovery has attracted 12% as many forks as stars, bundler-audit 9%. bundler-audit was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (security), 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
| ProjectDiscovery | bundler-audit | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 2.8K |
| License | MIT | GPL-3.0 |
| Written in | Go | Ruby |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 3.9K | ⑂ 247 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ProjectDiscovery if
- You weight community size — 31K stars and counting
- You want the MIT 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 ProjectDiscovery
Nuclei is a high performance, open source vulnerability scanner built by ProjectDiscovery, part of the ProjectDiscovery ecosystem. It operates as a CLI tool using a simple YAML based DSL to define custom vulnerability checks, enabling precise, real world exploitation simulation to eliminate false positives.
read the full ProjectDiscovery 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 ProjectDiscovery or bundler-audit more popular?
ProjectDiscovery has 31,319 GitHub stars and bundler-audit has 2,759. ProjectDiscovery has the larger community by that measure.
Are ProjectDiscovery and bundler-audit free?
Both are open source. ProjectDiscovery is licensed under MIT and bundler-audit under GPL-3.0. Neither carries a licence fee.
What is the difference between ProjectDiscovery and bundler-audit?
ProjectDiscovery 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, ProjectDiscovery or bundler-audit?
Choose ProjectDiscovery if you want the larger community (31,319 stars) or its MIT licence terms. Choose bundler-audit if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.