Office Apps
Gnumeric - GNOME spreadsheet Gnumeric is a powerful and easy to use spreadsheet using GNOME. Reads/writes files: MS Excel, and reading Lotus, Applix, Quattro Pro, OpenCalc, XBase, DIF, SYLK, HTML, Psion, MPS. GPL for Linux only (Sep 2003)
Books about Office AppsA complete list of books on Office Apps available through Amazon.COM