APIs & SDKs
LICENSE4J
Software licensing library, license server and manager for Java applications
LICENSE4J is a software licensing library and license manager that simplifies license integration into Java applications with minimal coding.
Overview
A look at license4j.com
LICENSE4J provides a comprehensive software licensing solution for Java developers, encompassing a powerful licensing library, an intuitive web-based license manager, and a versatile license server. The solution supports various licensing models including perpetual, subscription, time-limited, trial, named-user, node-locked, floating licenses, and USB license dongles.
The library is engineered to abstract away licensing complexities, enabling developers to implement licensing tasks with minimal code. The web-based license manager offers a clean, user-friendly interface optimized for desktop and mobile devices, with tools for monitoring license usage, payment processor integration, and automated email notifications.
The solution is available in both SaaS cloud and on-premises deployment versions, with the same extensive features in both. For advanced requirements in restricted connectivity environments, an offline Floating License Server is available for direct installation within a customer's closed network.
License data is secured through cryptographic encryption and digital signatures using public key cryptography, preventing unauthorized alteration and tampering. Additional features include hardware fingerprinting, virtualization and cloud detection, custom license features, REST API, webhooks, and email notifications for license events.
Feature notes
- 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
Pricing
Pricing model: Freemium
SaaS License Server: $19 USD monthly (billed annually) with unlimited products, unlimited licenses, and unlimited validations/activations
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FAQ
- What is the trial period for SaaS License Server?
- You can create a 1-week trial account with full features on SaaS License Server. After the trial period ends, a subscription is required.
- What happens when a subscription is ordered with an existing account email?
- If there is an account with a matching email address, its expiration date will be updated accordingly. If no account is found, a new one will be created and details will be emailed.
- What payment processors are supported?
- LICENSE4J seamlessly integrates with major payment processors including Paddle, Stripe, and FastSpring.
- Does LICENSE4J support offline licensing?
- Yes, an offline Floating License Server is available for direct installation within a customer's closed network for environments with restricted external connectivity.
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