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.

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 ...

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

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

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