Licensing SDKs for frameworks
Drop-in licensing with a finished activation UI that comes up whenever your app or plugin needs a license.

Gorilla Engine
Activation overlay for Gorilla Engine plugins that keeps MIDI and audio off until they are licensed
Electron
Activation UI for Electron apps, in its own window or locking the app until it is licensed
Licensing SDKs for languages
Activation, validation and license storage for your language of choice, with the interface left to you. The framework SDKs are built on these.
Node.js
Licensing SDK for fingerprinting, activations and validation, with a headless activation controller