Windows Mac

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KooBits is a program which can open and read popular ebook formats

It used to be shareware programmers were basically hobbyists

yBook is an e-book reader for those who refuse to give up the paper books

It is a program that lets you design and create interactive ebooks

It enables you to remove the EPUB DRM protection on ADE

It can combine Word 97/2000/XP to process the Rtf file

Windows

Windows Mac

Ketchep.com, LLC

Free

Design visually and obtain engineering results, graphs, and equations.