Alternatives to ElementsThe Periodic Table

Calibre

Program license: Free

Free, open source, multi platform e book app suite

Program license: Trial version

Program that lets you read and catalog books in the .epub format

Program license: Trial version

Fix your computer's hard drive of pesky problems

Program license: Free

Review chemistry's elements right from your desktop

Program license: Free

Convenient for all chemistry majors or chemists - the classic periodic table