Keygen is now Fair SourceStar us on GitHub

Use Cases
- Software Application LicensingUse Keygen's flagship software licensing API to add license key validation, device activation and entitlements to any software product.
- Software Artifact DistributionUse Keygen's supplementary software distribution API to securely deliver artifacts and offer automatic updates to licensed users.
- No-code Licensing AutomationUse Zapier to integrate Keygen with your favorite tools, such as Stripe for payments, and Postmark for transactional emails. No code required.
- For On-Premise/Multi-Prem
- For Go Programs
- For Mac Applications
- For Container Images
- For Windows Programs
- For Electron Apps
- For WordPress Plugins
- For Tauri Apps
- For Python Packages
- For PHP Packages
- For Node Packages
- For RubyGems
Demos
Developers
- Self-Host KeygenLearn how to self-host Keygen's Community Edition for free, or self-host our Enterprise Edition for your business.
- Keygen Relay NEWUse Keygen Relay to securely distribute node-locked licenses in offline and air-gapped environments.
- Developer CLIUse Keygen's official CLI to sign and publish software releases. Integrate with our SDKs for secure automatic upgrades.
- Documentation
- API Reference
- Changelog
- Security
- Source Code
Resources
- Read the Source CodeKeygen is an Fair Source software licensing and distribution API. View the source code on GitHub to learn more. Build vs BuyBusinesses of all sizes face the question of whether to build or buy a licensing solution.
- Open Source
- Fair Source
- Affiliate Program
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Pricing
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Build vs. Buy

In 2024, is it more economical for software companies to build an in-house licensing system, or to use a third-party software licensing solution like Keygen? Let's crunch the numbers.

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Keygen joins OSS Pledge

Keygen commits to Open Source through the Open Source Pledge.

September 9th, 2024

Licensing is packaging

On the first- and second-order effects of software licensing.

September 2nd, 2024

Keygen is now Fair Source

Keygen relicenses from the Elastic License to the Fair Core License.

August 6th, 2024

Multi-user licenses

Introducing support for multi-user licenses in Keygen.

April 29th, 2024

Cryptographic license files

Introducing a new, secure way to handle offline licensing with Keygen.

April 4th, 2022

Ready to get started?

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"Licensing was planned to make up at least 25% percent of planned dev time for our product so it's awesome to see that we've been able to cut it down to 2.5% with Keygen." – Ranorex

Free during development, no upfront commitment

Or interested in self-hosting Keygen EE? Contact sales for a 30-day no-strings-attached trial.