Side by side
Coverity Scan vs Joern
Both stand on static analysis tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIWeb
Choose Coverity Scan if your registered open source project needs cloud static analysis and its build allowances suit your needs. Look elsewhere if your project is not eligible or needs support for older tool releases.
Visit Coverity Scan
Free plan APILinuxMac+2
Choose Joern if you need an open-source platform for graph-based code analysis, customizable queries, or CI security scanners. Its breadth of language frontends and API options support varied workflows, but the server should not be treated as a security boundary.
Visit JoernThe facts
| Coverity Scan | Joern | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Web | API, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Free or on request | Not published |
| Plans published | 1 | None |
| Maker | Not published | Not published |
| Website | scan.coverity.com | joern.io |
| On static analysis tools | #12 of 38 | #16 of 38 |
Coverity Scan: what it does well
- Free plan for eligible registered open source projects
- Supports the listed programming languages
- Explains the root cause of each defect
- Can import GitHub projects for analysis
- Supports build automation with Travis CI
What to know first
- Use is limited to registered open source projects
- Weekly and daily build limits vary by project size
- Only the latest two tool releases are supported
Joern: what it does well
- Analyzes source code, bytecode, and binary code.
- Code property graphs support cross-language analysis.
- Includes parsing, taint analysis, and search queries.
- Custom scanners can run in CI.
- Free and open source under Apache-2.0.
What to know first
- Language frontends have varying maturity levels.
- The server does not implement sandboxing.
- JDK 21 is the listed runtime requirement.
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