I don't see the appeal behind this. The reason why there was a need for off-site image hosting is because people and websites like reddit didn't want to pay for the bandwidth or be forced to deal with takedown requests. A decade ago, bandwidth was much more expensive, and it was only because it got much cheaper that imgur's business model of allowing free direct linking is even possible now. If I want to share an add…
I could see this being useful to quickly put up some info about an upcoming event or meeting. >> There are hundreds of websites out there that allow you to host text or blog. Blog sites typically need signup, so are slower to get started with than this. Also if you think of something like Blogger, it would not be as clean/minimal out of the box if you just want a clean 'single page' to link someone to. Pastebin-style…
If you care that little about the way you are presenting your information that you can't even be bothered to sign up, you most likely don't care about having fancy HTML formatting.
The reason why most blogs require you to sign up is so they can ban you when you start putting up phishing, cookie stuffing, or exploit pages.
Also here is one that I found from a single search. http://www.c99.nl/