See them live on the demo page. My old canvas gauge is there as well.
Update: Feb. 2015.
DOWNLOAD ORIGINALs –
open_gauges-v1.0.1.tar.gz MD5: 6ee222b0bd301780d8dfe326d6a25315
open_js_gauges_1.0.tar.gz MD5: 623dc2383781bd5d1defc9d243a945b0
If you’re interested in these you may also be interested in these others that are more complete and maintained. I also would stay away from Flash as it’s officially a dead technology.