
Description: WebInvoiceMaker is a web-based invoicing and billing software that allows small businesses to easily create, send, and track invoices. It has templates, recurring invoices, payment reminders, expense tracking, and other basic billing features.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Blesta is an open source billing and client management platform for web hosts, IT managed service providers, and cloud service providers. It allows automating billing, invoicing, product provisioning, client management, support ticket handling, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API