Intervals vs Principle
A side-by-side look at Intervals and Principle. For an in-depth review of either product, follow the links below.
Intervals
Office & Productivity
Intervals is a free, open-source time tracking app for Windows, Mac, and Linux. It allows users to track how much time they spend on tasks and projects with a simple interface, useful statistics, and flexible reporting.
time-managementproductivityopen-source
Principle
Design & Graphics
Principle is an open-source visual tool for building interactive UIs. It allows designers and developers to design, prototype, animate and develop user interfaces without writing code. Principle focuses on animations and interactions.
uiuxanimationprototypingdesign
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