Can you manage SBOMs with free tools? Options and limits

Yes, up to a point. Free tools can generate SBOMs and store them, and one open source platform will match them against vulnerability sources. The limits show up in scale, reachability context, vendor intake, policy and ownership. Decide what you need in each of those before you pick.

What do free options cover?

There are three categories, and most teams use more than one.

Generators, usually open source command line tools, read a repository, container or build and write an SBOM, typically in SPDX or CycloneDX. They answer "what is in this build."

Open source platforms store many SBOMs and watch them. The OWASP Dependency-Track project is an example described on its own site: a platform that inventories components, matches them against sources such as the NVD, GitHub Advisories and OSV, uses EPSS for prioritization, and offers a policy engine and alerts. It is self-hosted, and its quick start uses Docker Compose with a default login that you must change at once.

Free tiers of commercial products and public lookup sites, which are fine for small use and one-off checks.

What are the honest limits?

Operations. A self-hosted platform needs someone to run, update and secure it. Dependency-Track's site notes that version 5 does not upgrade in place from version 4, so upgrades mean a planned migration.

Noise. A list of every known vulnerability in every component is long. Without a way to tell which flaws your code can actually reach, triage takes the time you hoped to save.

Intake. Collecting SBOMs from vendors, chasing the missing ones and comparing versions is a process, not a file format.

Evidence. Auditors and customers ask for dated records, ownership and remediation status. Free tools store files. Someone has to build the record around them.

Support. When the data is wrong at 6 pm on a Friday, you own the fix.

What should a buyer test?

• Does it read both SPDX and CycloneDX, including nested dependencies?
• Can you tell which findings are reachable from your code?
• Can you request, receive and compare vendor SBOMs?
• Can you set policy, such as failing a build on a critical finding?
• Who runs it, and what is the upgrade path?
• Can you export evidence with dates and status?

What to do

1. Write down your count of applications, the number of vendors you depend on and your audit needs.
2. Try a free generator on one repository and read the output with a validator.
3. If you self-host a platform, name the owner and set a patch schedule for the platform itself.
4. Run the six buyer questions above against each option, and record yes or no.
5. Decide which gaps you accept and which need a paid tool or process.
6. Revisit after one quarter with real triage time numbers.

Where does Safeguard fit?

Safeguard has a free in-browser scan at gold.safeguard.sh/scan for up to 100 dependencies, and its CLI generates and scans SBOMs. Its reachability analysis addresses the noise problem. If you are comparing options, test it against the same questions.

What is a simple decision rule?

If you have a handful of applications, one team and no customer or auditor asking for SBOM records, free tools are a good fit. Generate, store and review them, and learn what your data looks like.

If you have many applications, several teams or customers who ask for dated SBOMs and remediation status, count the staff hours a free stack needs for operation, triage and evidence. If that cost passes the price of a managed option, the free choice is no longer the cheap one.

If you need vendor SBOM intake, policy enforcement across teams and reachability, check whether the free tool covers each. Many cover only some. That is fine, as long as you know which gap you are accepting and who owns it.

Whatever you pick, keep your SBOMs in standard formats so you can move later.

Quick check

Sources

• OWASP Dependency-Track
• SPDX, About the project
• CycloneDX specification overview
• Safeguard CLI documentation

Last reviewed: 18 October 2026.