
Description: Billsby is an invoicing and billing software designed for freelancers, consultants, and small business owners. It allows you to easily create professional invoices, track payments and expenses, manage clients and projects, and automate billing and collections.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Cerillion Skyline is a customer management and billing software designed for telecommunications companies. It handles customer accounts, product catalogs, order management, billing and payment processing, and reporting. Key features include BSS/OSS integration, multi-channel sales support, and configurable workflows.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API