
Description: BILLmanager is an online invoicing and billing software designed for freelancers, consultants, accountants, and small service businesses. It allows creating, sending, and managing invoices and estimates, tracking payments, expenses, tax rates, and time entries.
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