timeBuzzer GmbH (based in Saarbrücken, Germany) offers a time-tracking platform with desktop, mobile, and web apps (and an optional physical buzzer) for recording work hours. The tools are designed for simplicity, enabling users to log tasks quickly and export data into reports. timeBuzzer integrates with over 7000 external tools (via Zapier) to automate workflows. The company was founded by Patrick Ruh and Felix Bopp (2016) and serves freelancers, agencies, and service providers around the world.