PowerMockup vs Sigil
A side-by-side look at PowerMockup and Sigil. For an in-depth review of either product, follow the links below.
PowerMockup
Design
PowerMockup is a powerful yet easy-to-use mockup and wireframing tool for designers. It allows you to quickly create wireframes, prototypes, diagrams and mockups with a comprehensive set of widgets and templates.
mockupwireframeprototype
Sigil
Office & Productivity
Sigil is a free, open source ebook editor that allows users to edit EPUB format ebooks. It has a simple interface and supports editing book metadata, table of contents, and text formatting.
epubebookeditor
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