Yahoo! Answers Alternatives

Stack Exchange

Stack Exchange is a fast-growing network of 84 [and counting] question and answer sites on diverse topics from software programming to cooking to photography and gaming....

Quora

Quora.com is a question/answer service allowing users to pose questions that other users can answer, each question and answer can have comments, each users can write one...

Features:

• Anonymity
• Q&A
• Community based
• Point System
• Q&A

Slant

Slant is a product recommendation community with the goal of making it effortless to find the best product, app or game for you.

Features:

• Pros and cons
• Useful reports
• Community based
• Q&A
• Real time collaboration

Super User

Super User, part of Stack Exchange , is a Q&A site for computer enthusiasts that's free. Free to ask questions, free to...

Server Fault

Server Fault is a Q&A site for system administrators and IT professionals that's free. Free to ask questions, free to answer questions, free to read, free to...

SaidIt.net

Uncensored free speech alternative to the extreme Reddit and Voat forums, democratically civilized by Graham's Debate Pyramid, no illegal transactions nor porn. ...

Features:

• In-App Voting
• Community based
• Forums
• Independent
• Integrated Chat
• News aggregator
• Server Moderation
• Social network
• Uncensored
• Video Sharing
• Voting
• Wiki
• Wiki-like interface

Aether

Open source, self-governing communities with auditable moderation and mod elections.

Features:

• Distributed
• Free Speech
• Decentralized
• P2P Network

Scoold

Scoold is inspired by StackOverflow and implements most of its features. You can ask and answer questions, upvote and downvote posts, earn badges and reputation. Each...

Features:

• LDAP Services
• SAML Single Sign-On
• Spaces
• Customer Feedback
• Forums
• Knowledge base
• Knowledge Management
• Q&A