Glassfish Is Gaining Momentum - A Study
...Java projects that target Java EE, GlassFish is the leading application server for new project starts with 73% of all Java EE projects. Project starts, the number of new projects across all communities for a given time period, is a leading indicator, and a reliable predictor of the percentages add up to more than 100%...
An interesting study with lot of information and statistics. The study, however, was "Prepared for: Sun", but realized by Sourceforge. Read the whole story.
[Thanks Daniel N. for the hint!]