TimeTrackKit is a one-file time tracker for freelancers and consultants. One-click start/pause/resume timer, unlimited projects with clients and hourly rates, today/week/per-project views, hours × rate rollups, manual entries, CSV export for invoices, and JSON backup/restore. Everything runs locally in your browser — no account, no cloud, no tracking. Free demo: https://theluckyduck.gumroad.com.... Pro is $19 one-time (no subscription), unlimited: https://theluckyduck.gumroad.com....