An example of making a simple license validation request from a Rust command line program
Labs64 Developers Tools - Useful Online Tools for Developers such as Convertors, Formatters, Viewers, Minifiers, Validators und many others: XML, JSON, JavaScript, Java, C#, Python, SQL
LicenseValidationDialog is a C++ QT class designed to validate license keys on the user's side. Currently only works on windows.
An example of making a simple license validation request from a Qt/C++ GUI program
An example of making a simple license validation request from a C++ command line program
Labs64 NetLicensing / Zapier Integration
A public key-based offline license validation protocol
An example of making a simple license validation request from a Go command line program
License key validation, activation, and management. Supports node-locking, offline licensing, and hardware fingerprinting.
Official Go SDK for LicenseKit: typed client for license activation, validation, and key verification
Concrete implementations of Ogur.Abstractions with Hub integration and security features. Includes AES-CBC encryption, HWID fingerprinting, and differential chat buffer detection.
License key validation, activation, and management for .NET/C#. Supports node-locking and offline licensing.
License key validation, activation, and management for PHP.
MCP server for Codinfy API integration - validate licenses, payments, products, brand, identity, ads. For Claude Code, Codex, Cursor, Windsurf.
Official Ruby SDK for LicenseKit: client for license activation, validation, and key verification
Cross-check a license file in JSON format with licenses in actual files
License key validation, activation, and management. Supports node-locking, offline licensing, and hardware fingerprinting.
DevPayr Python SDK is a framework-agnostic library that helps developers securely validate license keys, manage software access, and handle encrypted injectables with optional HMAC verification. Built for SaaS, script licensing, and software monetization workflows.
JWT-based license validation extension for OpenTelemetry Collector
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