Stack Overflow, part of Stack Exchange , is a free, community-driven, reputation-based Q & A site for computer programmers ...

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 fu ...

Tesse is an expert search engine which allows you to search and connect with global experts by a keyword of skills or expertis ...

Startups get your queries answered by the World's Top Investors and Entrepreneurs. Startups + Investors +Entrepreneurs Connect.

Shapado is a questions and answers site for your enterprise or community, your “knowledge base on the cloud”. It makes sure qu ...

A Q&A site helps an online community to share knowledge. No matter what your area of interest, people with questions can g ...

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

AllAnswered provides an all-in-one knowledge management system including an advanced Wiki and Questions & Answers (Q&A ...

Askbot is a Q&A system, like StackOverflow, Yahoo Answers and some others. Askbot is based on code of CNPROG, originally c ...

Reddit is a social news site allowing users to submit articles, vote on them, and engage in discussions. Like other social new ...

If you are a person with good knowledge just drop your answer to the questions. Share the knowledge. We are here to help the w ...

Stack Exchange is a fast-growing network of 84 [and counting] question and answer sites on diverse topics from software progra ...

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

What If? HQ is your one-stop HQ for "What if..." questions. This is where people like you ask the questions ...

Prismo is not yet production ready so please don't try to host an intance yet! I will not be able to provide you any support w ...