GoPit Answer Search
On home page, select “Answers” from search categories.
GoPit.com – Answers Search
Web’s oldest question and answer site. Operated by About.com.
Community-driven question and answer site.
Ask a Librarian
Online reference service from the Library of Congress.
Log in with your Amazon.com account to ask or answer questions.
Semantic Q&A search by Answers.com.
Active community providing online tutoring and answers to academic questions.
Database of how-to articles and videos.
Collaborative, wiki-based how-to manuals.