Cattr is a free self-hosted open-source time tracker with desktop clients for Windows, Mac, Linux, the server part on Laravel (core + API) and frontend on VueJs. It's designed to be flawlessly integrated with infrastructure. Superpowered with features like built-in screenshot capture and activity detection, it's a great instrument to boost your team's performance straight to the top. Cattr has ready-made integration via plugins with Jira, Redmine, Trello, GitLab, and could be easily integrated with any task manager or version control system by creating a plugin