gThumb vs Sigil
A side-by-side look at gThumb and Sigil. For an in-depth review of either product, follow the links below.
gThumb
Photos & Graphics
gThumb is an image viewer and organizer for Linux. It allows you to browse and manage your photos in a simple interface, view images in fullscreen, rotate and crop images, reduce red-eye, and more. gThumb supports common image formats like JPEG, PNG, GIF, and RAW.
image-viewerphoto-managerlinux
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