» Atomic Mac    An electronic version of the periodic table of elements with detailed physical and nuclear information.    http://www.blackcatsystems.com/software/atomic.html

» Atomic PC    Downloadable Windows shareware containing abundant physical, chemical and nuclear information about the elements. Online registration available.    http://www.engresource.com/software/atomic.html

» BK Periodic Library    Windows periodic table with element properties search and graphing. Free for personal use.    http://www.orbit.org/perlib/

» Celeste    An interactive periodic table software product for Windows with graphing capabilities.    http://www.chemlearn.com

» ChemAP 2000    Chemistry software for the Windows environment.    http://usuarios.lycos.es/chemap/

» ChemAP 2003    Periodic Table of elements to compare elements, calculate molecular weights, property visualisation, unit conversion. [Windows]    http://www.pcsoftland.com/education/chemistry/chemap-2003.htm

» Electronic Periodic Table of the Elements    Text-based periodic table for Unix. The source code, written in C, is available for download and use under the GNU GPL. It includes sound files that give element names and definitions out loud.    http://www.toddmiller.com/epte/index.html

» Kalzium    Free periodic table program for the KDE desktop environment.    http://edu.kde.org/kalzium/

» Periodic Spiral of the Elements    For Mac and PC, an alternative representation of the periodic table that aims to better place the lanthanoids, actinoids, and hydrogen. The program also includes extensive information about elements, their uses and their properties. Shockwave demo availab    http://www.periodicspiral.com

» Synergy Creations    Developers of general educational software for the Macintosh platform, including Periodic Table software. Online purchasing available.    http://www.synergycreations.com/