Side by side
DevGuard vs GUAC
Both stand on software supply chain security software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+3
DevGuard combines vulnerability monitoring, dependency checks, and supply-chain security workflows. The free plan has a public-project restriction, while Business SaaS is priced at €449.10 a month on an annual contract.
Visit DevGuard Free plan Open source APILinuxMac+3
GUAC connects SBOM and related metadata for portfolio-level supply-chain analysis, with APIs, visualization, and multiple enrichment sources. Its setup prerequisites and experimental collectors are worth noting.
Visit GUACThe facts
| DevGuard | GUAC | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | API, Linux, Mac, Self-hosted, Web, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Business SaaS: €449.10 a month | Free or on request |
| Plans published | 3 | 2 |
| Maker | Not published | Not published |
| Website | devguard.org | guac.sh |
| On software supply chain security software | #5 of 24 | #1 of 24 |
DevGuard: what it does well
- Monitors deployed software for new vulnerabilities.
- Ingests SBOM, VEX, and SARIF inputs.
- Dependency firewall blocks known-bad releases.
- Supports provenance attestations and release policy gates.
What to know first
- Free self-hosted plan is restricted to qualifying public projects.
- Business SaaS requires a one-year contract paid yearly.
- Enterprise pricing requires a custom quote.
GUAC: what it does well
- Queries relationships across a software portfolio.
- Supports SPDX and CycloneDX SBOMs.
- Enriches data with OSV, ClearlyDefined, and Deps.dev.
- GraphQL storage can use PostgreSQL.
What to know first
- Setup requires Docker, Docker Compose, and jq.
- Collectors other than the filesystem collector are experimental.
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