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 Keygen NEWLearn how to self-host Keygen's Community Edition for free, or self-host our Enterprise Edition for your business.
- 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 Code NEWKeygen 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
- Careers
- Blog
- Get Support
Pricing
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Keygen vs NetLicensing

If you're looking for a more powerful alternative to NetLicensing, then Keygen is the product just for you.

Powerful licensing tools

From timed trials to node-locked licensing and beyond—quickly add license key validation to your software product by utilizing Keygen's suite of flexible software licensing APIs.

Learn about licensing

Licensed software distribution

Don't let unlicensed users download your software. Require a valid license key for all software downloads by using Keygen's distribution API.

Learn about distribution

Simple and affordable pricing

Keygen offers a familiar set of licensing tools for a fraction of the price of competing solutions, making us a great choice for developers, startups, and large companies alike.

View our pricing