Quick answer: Nalpeiron is a third party service used for managing trial mode and activations in Liquid Notes.
[Update, 13 Oct 2017: A new license management system is used as per today, which renders the Nalpeiron license manager as obsolete. Fill in your customer data in this form for us to provide you with the latest software build - http://re-compose.com/activate-your-license-for-liquid-notes.html ]
Nalpeiron software licensing serviceNalpeiron is a hosted software license management solution that is used within Liquid Notes to control the use of our software: i.e. trial mode, activation, permissions, and others. Because it is a solution that sits in a private cloud, is easy to implement and manage, it's the best solution for us.
Using Nalpeiron's software licensing service within Liquid Notes also means that we can automatically grant you a free trial period without having to create a separate demo. And, we can reactivate your trial period at any time.
The Nalpeiron service is part of the installation package of Liquid Notes, and needs to be installed on your machine for Liquid Notes to run.
Find more information about Nalpeiron at their website - http://www.nalpeiron.com.