
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: Trexle is a software tool that allows users to create interactive flowcharts, diagrams, and wireframes. It has an intuitive drag-and-drop interface to build diagrams quickly and easily share them with team members.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API