Java Web Parts recognizes three classifications of people who contribute to the project: Contributors, Developers and Administrators (see the Bylaws from the Documentation link on the SourceForge page for more details).
Those that contribute on an intermittent basis but are not ongoing members of the project:
Wendy Smoak- Some various code submissions and suggestions
Aron Gombas - Contributed a patch to fix some typos and implement more robust logging
Günther Wieser - Found and resolved some issues under Resin
Ricky Tong - Contributed the stdXSLT handler, and some other contributions as well
Zaid A. Omar - Contributed an AjaxTags enhancement to allow for execution of -script- blocks returned and handled with the stdInnerHTML handler
Keith Ulrich - Discovered a couple of AjaxTags issues
Colin Kilburn- Submitted a patch to put all APT stuff that previously went into page scope into request scope instead
Marija Popov- Reworked and contributed this site!
Those that contribute on an ongoing basis and are officially members of the project development team:
Tamas Szabo
Those that perform what are essentially project management tasks:
Frank W. Zammetti (Project founder)
Herman van Rosmalen