This is the OpenRPG User Interface (OpenRPGUI) project. The goal is to develop a collection of API's allowing RPG programmers to easily talk to various user interfaces. The first attempt will be talking with ExtJS.
I should admit that one reason for giving a thumbs down is somewhat self serving. I put 8,000+ hours & over 10 years into an ILE toolkit (www.relational-data.com) which we offer under a commercial license, and open-source projects make it harder for us to serve the same community. I've also shared a lot of information about our framework, which provided inspiration and ideas for Aaron to capitalize on, here. Notwithstanding the potential publicity of open-source projects, it would be insincere for me to "donate" some code, and "hold back" other under the typical bait & switch approach. Open-source projects bring out the best and worst in people. On one hand, a few selflessly donate ideas and intellectual property rights. On the other hand, a few download code, remove copyright statements, shamelessly incorporate it into their own private toolkits, and give nothing back. There may be a wide range of uses in-between those two extremes, but in my experience the majority are more likely to be disingenuous & self-serving. Under open-source, there tends to be big winners, and big losers. Publicists unfortunately both nurture and are nurtured by the appeal of people getting something for nothing. My inclination is to watch - from a distance - how this unfolds.