| What it does | Software licensing library, license server and manager for Java applications
| Current, cited employment rules for every US state and Canadian province, plus national payroll contribution rates
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | SaaS License Server: $19 USD monthly (billed annually) with unlimited products, unlimited licenses, and unlimited validations/activations
| Free: 1,000 lookups per month. Developer: $49/month or $490/year for 50,000 lookups per month. Scale: custom pricing.
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| Key features | - Web-based license manager with desktop and mobile optimization
- Multiple licensing models including perpetual, subscription, trial, named-user, node-locked, floating, and USB dongle licenses
- Hardware fingerprinting for device identification
- Cryptographic encryption and digital signatures for security
- Payment processor integration including Paddle, Stripe, and FastSpring
- REST API for license management
- Virtualization and cloud detection
- Email notifications for license events
- Custom license features for granular control
- Webhooks for seamless application integration
| - Multi-model verification against official sources
- Full source citation with saved copies of source documents
- Version history and rules on any date with as_of parameter
- Advance notice of upcoming rule changes
- Layered rules for federal, state and local coverage
- Change feed with webhooks coming soon
- Coverage for 66 US and Canadian jurisdictions
- MCP server for AI agents coming at launch
- REST API with structured JSON responses
- Audit bundles for compliance teams on paid plans
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| What makes it different | - Minimal coding required for licensing integration into Java applications
- Offline floating license server for closed networks with restricted connectivity
- Comprehensive security through public key cryptography
- Support for diverse licensing models in a single solution
| - Every answer comes with the official statute, URL and a saved copy of the source
- All values verified by two independent models from different vendors before publication
- Same verified answer every time with full version history never edited
- Advance warning of changes before they take effect
- Built specifically for software that acts on the rules, not just reads them
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 43 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 9 | 0 |
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| Citation Flow (Majestic) | 27 | 0 |
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| Referring domains (Majestic) | 117 | 0 |
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LICENSE4J