Question2Answer

Stack Overflow is a free, community-driven, reputation-based Q & A site for computer programmers. No membership is required to ask questions or provide answers to questions by others. Registered users...

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. We are an expert …

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 individual answer and …

OSQA is the free, open source Q&A system you've been waiting for. Your OSQA site is more than just an FAQ page, it is a full-featured Q&A community. Users earn …

Open source question and answer forum written in Python and Django

Shapado is an open source question-answer system written in Ruby, Mongomappe and Mongodb

QsQs - это сервис вопросов и ответов, задавайте вопросы на любые темы и получайте практические ответы.

Answers is the place to go to ask questions and receive answers from the community at large on any topic. Connect with people who know the answers to your questions …

Solace is a fully open-sourced multilingual support and knowledge exchange platform written in Python.

Тостер - онлайн сервис вопросов и ответов с открытой регистрацией. На «Тостере» можно получить ответ на вопрос по любой теме IT от участников сообщества, хорошо разбирающихся в этой теме.

BBYIDX is a free and open source idea-gathering application written in Ruby, a platform for crowdsourcing ideas. Developed by Best Buy Enterprise Services, Inc. and Bust Out Solutions, Inc., it …

Coordino allows you to create a question and answer system for you and your users to enjoy. Whether you are looking to create a niche question and answer site for …