Freda vs Principle
A side-by-side look at Freda and Principle. For an in-depth review of either product, follow the links below.
Freda
Education & Reference
Freda is a free and open source ebook reader app for Windows. It supports a variety of ebook formats including EPUB, MOBI, FB2, PDF and more. Freda has a clean, customizable interface and provides features like bookmarks, annotations, dictionary lookups and more.
ebookepubmobipdfreaderwindows
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
Related Comparisons
InVision
Mockup.io
Montage Prototyping
UI Bakery
Adobe Comp CC
Moqhub