I think Gigglesnort Hotel was a regional thing. I grew up near Chicago. Bill Jackson, the host, had another show before that called Cartoon Town, which had a lot of the same puppet characters.
Yes there are sites devoted to almost any cartoon you can think of. Here’s one for the Electric Company:
It’s got some good info. The site itself has a ton of things you may have forgotten about, as well. My girlfriend and I have browsed this site with nostalgia running out our ears.