
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Simple Invoices is an easy-to-use invoicing and billing software for small businesses and freelancers. It allows you to create professional invoices, track payments, expenses and view financial reports.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API