Qbserve

Qbserve provides everything you need for seamless time tracking of your work hours or freelance projects:
– automatic productivity tracking for websites and apps
– automatic project tracking based on opened documents and web pages
– invoice generation
– real-time performance feedback and notifications
– various reports and timesheets
– scheduled data export
– Slack team and Skype chat tracking
– many flexible settings to fit your needs

There is no subscription, and all the tracked information is stored locally.