Mortimer is a fast, no-fluff time tracker built for freelancers and agencies who care more about getting paid than tracking every second.
Cost / License
- Freemium
- Open Source (GPL-3.0)
Platforms
- Online
- Software as a Service (SaaS)

Grindstone is described as 'Desktop application, produced by Epiforge Software, that allows users to create and organize tasks and to track time. It includes a range of other features that supplement this primary functionality' and is a Time Tracking tool in the office & productivity category. There are more than 50 alternatives to Grindstone for a variety of platforms, including Web-based, Windows, Mac, iPhone and Android apps. The best Grindstone alternative is Toggl Track, which is free. Other great apps like Grindstone are RescueTime, Cattr, Task Coach and Clockify.
Mortimer is a fast, no-fluff time tracker built for freelancers and agencies who care more about getting paid than tracking every second.

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A marketplace where IT experts sell their time in bookable slots and clients — people or AI agents — pay for it directly in crypto, with zero platform commission.




