Stack Overflow
Community-based Q&A part of the Stack Exchange platform.
17 Alternatives To Stack Overflow
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AllAnswered
Your Team’s Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI
Answeree
Answering your questions | The Expert Q&A Community
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Askme
Startup Questions- Investor Answers
Coordino
Coordino allows you to create a question and answer system for you and your users to enjoy.
Digg
Digg delivers the most interesting and talked-about stories on the Web right now.
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News360
News360 is a smart news app for your phone or tablet that learns what you like and brings you stories from across the web.
OSQA
OSQA is the free, open source Q&A system you’ve been waiting for.
Quora
Quora is a place to gain and share knowledge. It’s a platform to ask questions and connect with people who contribute unique insights and quality answers.
Raddle
A web-based forum where users submit links, pictures, posts, etc.
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Reddit
Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.
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Slant
Slant is a collaboratively edited resource that helps you quickly make decisions.
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Steemit
Steemit is a social media platform where everyone gets paid for creating and curating content. It leverages a robust digital points system (Steem) for digital rewards.
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Super User
Super User, part of https://alternativeto.
What If HQ
What If? HQ is a website where people can be curious and ask questions. What If? HQ is where no question is a bad question and everyone can share what they know.
YaNoIt
Ya or No? Create opinion polls and get instant voting results from around the world.
Yahoo! Answers
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