H2Omarker is entirely written with Java conforming to the Java 1.2 API. It was compiled using the Sun Java 2 JDK on a Windows98 system. The author and owner of the copyright for the product is Colin Mummery.

All icons were created with the EquitySoft IconPainter product.

Further information and updates are available at http://www.kagi.com/equitysoft and any technical queries or requests for new features should be e-mailed to the author at equitysoft@iname.com The software is shareware and is subject to international copyright laws.