time-tracker-agent is an application for tracking time spent on applications, useful for productivity analysis and reporting.

Baralga is an open source desktop time tracking app that provides real-time tracking, manual editing, and exportable reports for productive work management.

An advanced open-source time tracking solution with features for team collaboration, real-time tracking, reporting, organization and project management, and export capabilities.

ActivityWatch is a free and open-source automated time tracker focused on privacy and extensibility. It supports cross-platform tracking, custom plugins, browser extensions, and provides detailed reports to help users analyze their time usage.

desktop-wakatime is a system tray app for Windows & Linux that provides automatic time tracking and generates usage metrics from various tools such as Figma and Postman.

Latte is an open-source, automatic time tracker for Linux desktops, designed to track and record activity without manual intervention.