Stack Overflow, part of Stack Exchange, 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.

AnswerCart is described as 'Help companies modern & elegant community forum to drive customer engagement, for customer support & internal collaboration. ' and is an website in the business & commerce category. There are six alternatives to AnswerCart, not only websites but also apps for a variety of platforms, including Self-Hosted, Mac, Windows and Linux apps. The best AnswerCart alternative is Stack Overflow. It's not free, so if you're looking for a free alternative, you could try Stack Overflow or Question2Answer. Other great sites and apps similar to AnswerCart are OSQA, Niko and Answerbase.
Stack Overflow, part of Stack Exchange, 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.

A Q&A site helps an online community to share knowledge. No matter what your area of interest, people with questions can get super answers fast. Question2Answer is a popular Q&A solution.



AllAnswered provides an all-in-one knowledge management system including an advanced Wiki and Questions & Answers (Q&As) with built-in workflow and knowledge life-cycle management to keep your knowledge base up-to-date.




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 points and badges for useful participation, and everyone in the community wins.

Niko makes it incredibly easy for employees at all levels to share what is on their mind by letting them submit, vote on, and respond to questions, ideas and suggestions. It creates a different employee engagement experience.
Answerbase looks to offer enterprise grade social Q&A to websites of every size, in a web platform that is easy to setup and manage.

