Ask.fm - Curious? Just ask! Openly or anonymously.
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
piegonmsg.com - Get nameless feedback from family members, friends, classmates, or customer review.
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
Zabuu - Anonymous questions can also be from the follow-up list.
AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI