Time Doctor offers integrations with various third-party apps via a Chrome Extension and Firefox AddOn. The extension/addon inserts a button for starting tracking time to third-party apps.
Available Integrations for Time Doctor Chrome Extension/Firefox AddOn
Azure DevOps (formerly Visual Studio TFS)
Office 365 (Word, Excel, PowerPoint, Outlook, Planner, and Project)
Learn how to track time using the Chrome Extension / Firefox AddOn here.