
Description: Free invoicing software allows businesses to create, send, and track invoices without paying for a subscription. These free tools provide basic invoice templates and features to manage billing and payments.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: timeBuzzer is an open-source time tracking and productivity software. It allows users to track time spent on projects and tasks, set budgets, record expenses, generate reports and invoices. Great for freelancers, agencies, and teams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API