Cool Reader - Fast and small cross-platform eBook reader for desktops and handheld devices

Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.

Gitden Reader - For those book readers who want a flow while reading their favorite books via their smartphones will surely like using this application because this simple book reading app has lot of reading features offer to them.

Kindful - Nonprofit donor database + fundraising tools all in one

FBReader - FBReader is an e-book reader for various platforms. Features:

Classy - Expressive, flexible, and powerful stylesheets for native iOS apps