Quick License Manager - Quick License Manager (QLM) is a license protection framework that creates professional and secure license keys to protect software against piracy.

Free-Invoice.co.za - Free Invoice Software | Free online tool that helps small businesses to generate free invoices and manage their contact list. It can be used as an alternative to expensive invoicing software and online invoicing applications

Open iT LicenseAnalyzer - Open iT LicenseAnalyzer is a software usage metering and optimization tool that provides an enterprise-wide overview of installed software programs managed by most software license managers.

Invoice.to - A simple & beautiful invoice generator with Stripe & Paypal

LicenseSpring - Reliable and easy to use License-As-A-Service (LaaS) for for any software application

Invoice Template - Create beautiful looking invoices in seconds