OSI-licensed open source

Open-Source License Compliance Managers (2026)

An open-source license manager helps an organisation keep track of which third-party licences its software depends on, whether they conflict with how you distribute your product, and what obligations such as attribution apply. It is about managing licences you consume, not issuing licence keys to customers.

This page covers organisation-level tools: servers and workflows that scan, inventory and approve licences across many projects. Developer-side command-line checkers are on our open-source software licensing tools page. Every tool here is open source, with licences read from its repository on 2026-11-07. We could only list six because other candidates had licences we could not verify.

Tools, licences and pricing checked against vendor and repository pages on November 7, 2026.

What to look for

  • •Detection accuracy for licences and copyrights in source and binaries
  • •Ecosystem coverage across your package managers
  • •Policy rules for allowed, flagged and denied licences
  • •Workflow: review queues, approvals and reporting
  • •SBOM input and output formats such as SPDX and CycloneDX

At a glance

ToolBest forPricingLicence
FOSSologyLegal and compliance review of source treesFree, open source (self-hosted)GPL-2.0
ScanCode ToolkitAccurate licence detection in CI or ad-hoc auditsFree, open sourceApache-2.0
ScanCode.ioPipeline-driven SCA with a web UIFree, open sourceApache-2.0
Dependency-TrackSBOM-based portfolio trackingFree, open sourceApache-2.0
OSS Review Toolkit (ORT)Policy-as-code licence checksFree, open sourceApache-2.0
LicenseFinderApproval workflow for dependency licencesFree, open sourceMIT

1. FOSSology

GPL-2.0

Best for: Legal and compliance review of source trees · Free, open source (self-hosted)

FOSSology is a licence compliance toolkit and web system that runs licence, copyright and export-control scans and supports a compliance workflow.

Strengths

  • + Web workflow for clearing licences
  • + Copyright and export-control scans

Trade-offs

  • − Server to host and maintain

2. ScanCode Toolkit

Apache-2.0

Best for: Accurate licence detection in CI or ad-hoc audits · Free, open source

ScanCode Toolkit is a command-line tool and library that detects licences, copyrights, package dependencies and vulnerabilities in code. Output formats include JSON, YAML, HTML, CycloneDX and SPDX.

Strengths

  • + Many output formats including SPDX and CycloneDX
  • + Plugin architecture

Trade-offs

  • − Command-line oriented

3. ScanCode.io

Apache-2.0

Best for: Pipeline-driven SCA with a web UI · Free, open source

ScanCode.io is a server for scripting and automating software composition analysis through pipelines. It is the web companion to ScanCode Toolkit.

Strengths

  • + Automates scans through pipelines
  • + Web app for reviewing results

Trade-offs

  • − Requires hosting

4. Dependency-Track

Apache-2.0

Best for: SBOM-based portfolio tracking · Free, open source

Dependency-Track is a component analysis platform that uses SBOM data to find and reduce supply-chain risk. It tracks components and their licences across your portfolio.

Strengths

  • + SBOM-centric
  • + Active repository

Trade-offs

  • − Licence handling is one feature of a broader risk tool

5. OSS Review Toolkit (ORT)

Apache-2.0

Best for: Policy-as-code licence checks · Free, open source

ORT is a suite of tools to automate software compliance checks. It is built for analysing dependencies and enforcing policy in CI.

Strengths

  • + Automates compliance checks
  • + Active project

Trade-offs

  • − Steeper setup than simple scanners

6. LicenseFinder

MIT

Best for: Approval workflow for dependency licences · Free, open source

LicenseFinder scans a project's package managers to identify dependency licences and flags those that need approval against a policy you define.

Strengths

  • + Policy-based approvals
  • + Works across package managers

Trade-offs

  • − Ruby-based tool

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How to choose

If you need…Start with
Legal review workflow for source treesFOSSology
Highest-detail licence and copyright detectionScanCode Toolkit
Server-based scanning pipelinesScanCode.io
Portfolio view driven by SBOMsDependency-Track
Policy checks in CIOSS Review Toolkit or LicenseFinder

Open-Source License Compliance Managers: FAQ

Quick answers to common questions

What does an open-source licence manager do?

It inventories the licences of your dependencies, flags conflicts with policy and tracks obligations.

Is this the same as software licence key management?

No. This page is about licences you consume. Tools that generate keys for your customers are a different category.

Do I need SBOMs?

Not strictly, but SBOM formats such as SPDX and CycloneDX make it easier to move data between tools like ScanCode and Dependency-Track.

Can these tools replace legal advice?

No. They detect and report; humans decide whether a licence is acceptable for your use.

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