FWIW-- InfoWorld Labs came to the same conclusion... awarding TIBCO GI "best open source Ajax toolkit" over dojo, GWT, YUI, and all others. (http://www.infoworld.com/slideshow/2007/09/116-best_of_open_so-4.html)
Upsides of TIBCO GI: Gobs of smart Ajax components and visual rapid dev tools for them! Fast to build Ajax apps...usually business productivity type apps. (Was first released in 2001! Yes 2001 before Mozilla was even a word, less RIA or Ajax). Loads of documentation and resources -- all free under BSD license. (not GPL)
Downside: Not for everyone, nor all things Ajax. GI's focus is on apps that are used by business users (thus only IE and FX support now, though the source repo @ http://gi.tibco.com/ has a Sarafi build going that works pretty well in the Webkit nightly build now). With IE and FX you get 99.9% coverage amongst business users, and with Webkit/Safari/etc... other non-business uses may be imminent as well. No Lynx support though;-)
Bottom line: One of the best kept secrets for building Ajax business apps, portlets, and ajaxlets, with rapid development from reusable Ajax components and services (as opposed to adding some Ajax here and there to your HTML pages).
TIBCO GI is for building Ajax apps (not movies). You can always put a movie into a GI app since GI's basic building block can contain any HTML. On the flip side... try putting native HTML into a flash movie (no can do easily). The point of GI the rapid development of software-style web apps atop HTTP services. It's optimial for that. If that what you want to do, then it's a great tool for the job. If you want to create a movie, I'd certinly suggest something that generates Flash.
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FWIW-- InfoWorld Labs came to the same conclusion... awarding TIBCO GI "best open source Ajax toolkit" over dojo, GWT, YUI, and all others. (http://www.infoworld.com/slideshow/2007/09/116-best_of_open_so-4.html) Upsides of TIBCO GI: Gobs of smart Ajax components and visual rapid dev tools for them! Fast to build Ajax apps...usually business productivity type apps. (Was first released in 2001! Yes 2001 before Mozilla was even a word, less RIA or Ajax). Loads of documentation and resources -- all free under BSD license. (not GPL) Downside: Not for everyone, nor all things Ajax. GI's focus is on apps that are used by business users (thus only IE and FX support now, though the source repo @ http://gi.tibco.com/ has a Sarafi build going that works pretty well in the Webkit nightly build now). With IE and FX you get 99.9% coverage amongst business users, and with Webkit/Safari/etc... other non-business uses may be imminent as well. No Lynx support though ;-)
Bottom line: One of the best kept secrets for building Ajax business apps, portlets, and ajaxlets, with rapid development from reusable Ajax components and services (as opposed to adding some Ajax here and there to your HTML pages).
TIBCO GI is for building Ajax apps (not movies). You can always put a movie into a GI app since GI's basic building block can contain any HTML. On the flip side ... try putting native HTML into a flash movie (no can do easily). The point of GI the rapid development of software-style web apps atop HTTP services. It's optimial for that. If that what you want to do, then it's a great tool for the job. If you want to create a movie, I'd certinly suggest something that generates Flash.