VitalSource Bookshelf alternatives

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VitalSource Bookshelf
​VitalSource Bookshelf is the preferred and most used e-textbook delivery platform in the world of higher education. It lets you access your books from the the desktop application, mobile app (iPhone) or online. You can add highlights and notes to your content and search through them as well as the content of your eBooks. The best VitalSource Bookshelf alternative is Kindle

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Reviews
Ziff | 15.02.21
Horribly broken, update can't connect to their servers, useless.
Anonymous | 19.12.19
Horrible book reader - possibly the worst I've seen. Scrolling is so poor makes you want to give up on reading.
Andy | 17.11.17
SO SLOW. This is easily the worst program for epub ever. DO NOT USE
nelly | 15.09.17
very very bad program, slow, not intuitive at all!!! hate it!
Bruce | 01.08.17
Windows version: Horrible, slow and erratic scrolling. Can't rotate view for diagrams printed sideways. Looking for an alternative.
Online study student | 08.04.17
I have to use the vitalsource bookshelf but hate the program.. multiple restarts needed in windows 10 because it continually fails to scroll... horrid program!!
Zac | 05.03.17
My only issue is that I can't scroll with the keypad. When doing so it is very erratic. This is a big enough issue that I am now looking for an alternative
Michael | 23.07.16
This program is horrid. Installation instructions on site recommend a restart to get the audio working correctly, installer makes no mention of this. Starting a reading crashed every open java program. Pausing made the reading stop entirely, and I have been unable to get it working again. I don't know who wrote this program, but perhaps their position within the company should be reevaluated.
Chem Student | 16.01.14
Don't use this program. Its slow and useless. Buy the hard copy. Poor program
SimaraX | 29.10.12
We use it for most of our textbooks at Full Sail University. It's the most advanced eBook software in the world.