AudibleX for MacOS
AudibleX is a software tool that allows you to download and convert your Audible media to MP3, M4A, and M4B formats for easy playback on any device.
ThoughtMeeting 
AudibleX for Windows
AudibleX is a software tool that can download and convert Audible audio books into the formats MP3, M4A, and M4B. With this tool, users can easily access and enjoy their favorite audio content.
EbooXform for Windows
A software tool that allows for the conversion of ebooks into various file formats to ensure personal ownership and flexibility.
EbooXform for MacOS
Transform your ebooks for complete ownership with an ebook converter. This software empowers you to convert electronic books into various formats and platforms, providing you with full control over your literary collection.
WeBooK
A versatile software that combines a web collector, HTML editor, and ebook builder in one. Enables users to save, organize, and edit webpages or local files and create ebooks in various formats. Offers a centralized platform to manage files and books and create original content.
WeBooK mac
This software offers 3 functionalities in 1: web collector, HTML editor, and ebook builder. It allows users to save, organize, and edit webpages or ebook files, and create their own content. Easy file and book management is offered in one place. Supported files include EPUB2/EPUB3/KOEPUB/PDF/MOBI/AZW3.