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

Askalot is a next generation CQA (Community Question and Answer) system.

Deliver interactive presentations to connected audiences. Keep them engaged with polls, questions, private notes and live slid ...

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

Glisser makes presentations interactive – it takes regular PowerPoint or Keynote slide decks and pushes them out live to audie ...

Yahoo! Answers is a way to find and share information. You can ask questions on any topic, get answers from real people, and s ...

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

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

AnswerCart help companies build modern, intuitive & elegant community forums on their website.   ? We have reimagined how ...

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

Bitfortip offers a unique use case thanks to Bitcoin.

Use Bitfortip to: Find a item (i.e. a dress ) that you saw on a magazine ...

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

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

Niko gives us all a way to surface important questions, ideas, and concerns in a way that decision-makers and stakeholders can ...

Answerbase looks to offer enterprise grade social Q&A to websites of every size, in a web platform that is easy to setup a ...