GLOSSARY
What is a commercial license?
A plain definition for the people who carry the cost. This glossary entry explains what a commercial license is, when a relicense forces one onto an enterprise, how it is priced, and what alternatives sit beside it.
A commercial license is a paid agreement that grants the right to use software under negotiated terms. In exchange for a fee, the licensor permits defined use, usually within limits on how many cores, nodes, or users are covered, where the software runs, and what support comes with it. A commercial license is the alternative to an open source or source available license when those terms do not allow what you intend to do. It is a private contract, so its terms are whatever the two parties agree, not a public standard.
When a relicense forces a commercial license
For enterprises, the commercial license has become a live topic because of relicensing. When a project moves from an open license to source available terms, the new terms may not permit your existing use. The Business Source License restricts competitive production use, and the Server Side Public License carries a strong service condition. As of August 2023 HashiCorp moved Terraform, Vault, Consul, Nomad and Packer to the Business Source License 1.1. As of March 2024 Redis moved to a model that includes the Server Side Public License, and Elasticsearch and Kibana moved to the Server Side Public License and the Elastic License in 2021. Where the source available terms do not cover your use, the vendor offers a paid commercial license as the compliant path, and the question becomes what it should cost.
How a commercial license is priced
Commercial licenses are usually priced on a metric, such as cores, nodes, users, or a share of revenue, often bundled with support and a multi year term. The list price reflects the vendor's model, built for an average buyer, not your actual deployment. That gap is where cost is won or lost. A buyer who arrives with a precise usage baseline and a clear view of the alternatives negotiates from strength. A buyer who accepts list price pays for capacity and terms that may not match the real footprint. The open core model that often sits behind these offers is explained in the entry on what open core means.
Commercial license versus other paths
A commercial license is one option, not the only one. After a relicense, the alternatives are migrating to a community fork such as OpenTofu, Valkey, or OpenSearch, removing the dependency, or staying on an older open version with the limits that carries. The strongest negotiating position treats the commercial license as one priced choice among several, because a credible alternative is what keeps the price honest. This relationship between a commercial license and a dual licensed open option is set out in what dual licensing means, and the broader cluster sits under the commercial licensing pillar. Browse the full open source license risk glossary for related terms.
COMMON QUESTIONS
Questions buyers ask.
What is a commercial license?
A commercial license is a paid agreement that grants the right to use software under negotiated terms, usually in exchange for a fee and within defined limits on usage, deployment, and support. It is the alternative to an open source or source available license when those terms do not permit your intended use.
When does open source force a commercial license?
A commercial license becomes necessary when a project relicenses to source available terms that restrict your use, such as the Business Source License or the Server Side Public License, or when copyleft obligations conflict with how you ship. In those cases the vendor offers a paid commercial license as the compliant path.
How is a commercial license priced?
Commercial licenses are usually priced on a metric such as cores, nodes, users, or revenue, often with support and a term commitment. List price reflects the vendor's model rather than your actual usage, which is why a usage baseline and buyer side negotiation matter.
Is a commercial license the only option after a relicense?
No. The alternatives are migrating to a community fork, removing the dependency, or in some cases staying on an older open version with the limits that carries. A commercial license is one path, and it is strongest when weighed against the others.
CONTAINMENT
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