Modern software is rarely built in isolation. Applications often depend on hundreds of libraries, frameworks and other components, making it difficult to know exactly what is included in a software package.
These tools create detailed inventories of those components and their dependencies. This information can help identify vulnerable packages, track licences, improve supply-chain security and simplify compliance work.
They are particularly useful for developers, security teams, package maintainers and organisations that need a clear picture of the software they build, distribute or deploy.
Here’s our verdict captured in a legendary LinuxLinks-style ratings chart. Only free and open source software is eligible for inclusion here.

Click the links in the table below to learn more about each application.
| Software Bills of Materials | |
|---|---|
| Syft | Catalog packages and dependencies in images and filesystems |
| ScanCode Toolkit | Detect licences, copyrights and package metadata in source code |
| ORT | Automate dependency analysis, licence compliance and policy checks |
| SBOM Tool | Create SPDX-compatible component inventories at scale |
| Trivy | Scan containers and filesystems for vulnerabilities and licence issues |
| bom | Create, inspect, transform and validate SPDX manifests |
| CycloneDX CLI | Analyse, merge, convert, sign and validate CycloneDX documents |
| sbomnix | Analyse Nix packages for dependencies, licences and vulnerabilities |
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