RescueTime might be a bit more popular than Kapow. We know about 1 link to it since March 2021 and only 1 link to Kapow. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
When I've needed to do this I've used Kapow in the past. Kapow: https://gottcode.org/kapow/ Depending on the projects sometimes it was a specific allotted hours but some projects would feed into the next project and I would want to capture the actual hours as I knew it would exceed the "estimated" hours of work. Prjoect Managers can complain but sometimes its a guess as to how long things actually take. Source: over 2 years ago
2. It automatically tracks deep work, so I can see daily and week over week improvement. [1] https://rescuetime.com. - Source: Hacker News / about 2 years ago
Kimai - Kimai is a free open source timetracker.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Project Hamster - Project Hamster is time tracking for individuals.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Time Doctor - Time Tracking and Time Management Software that is accurate and helps you to get a lot more done each day.
Mozenda - The Mozenda screen scraper provides web data extraction software and data scraping tools that make it easy to capture content from the web