Flisti is a free and easy-to-use polling tool. Registration is not required in order to create a poll with Flisti. In fact, registering doesn’t seem to be an option at all. To create a poll using Flisti just enter your question, specify some answer choices, then click “create new poll.” Your poll(s) can be embedded into your blog, website, or wiki.
H/T to Larry Ferlazzo for the link.