Sigil is a user-friendly, Open Source eBook editor that features a WYSIWYG (What You See Is What You Get) panel, making it easy to use even for beginners. If you're familiar with Microsoft Office programs, you'll find Sigil's interface intuitive and straightforward. Sigil supports importing files in TXT, HTML, and EPUB formats, and allows exporting in EPUB and its native SGF format. Despite being in its early stages, Sigil offers robust features and great potential for eBook creators and owners. Whether you're editing existing eBooks or creating new ones, Sigil provides a seamless and efficient experience.

mt3
Do you want inspiration? Get Sigil! I'm blown away by how much value this app brings to my life. I can organize, plan, and even just doodle ideas easily. Best app of the year, hands down! I'm never going back!
sdivak
First off, let me just say WOW! Sigil has changed my creative life. The features are beyond anything I expected. It's like having a personal assistant for my brain! Highly recommended to all my friends. I'm totally obsessed!
angjolie25
The hype is real! Sigil is amazing! The flexibility and creativity it allows are off the charts. I’m planning to use it for all my upcoming projects. This is the best writing buddy I’ve ever had! Major kudos!