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.

Question2Answer is described as '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' and is a Q&A service in the education & reference category. There are more than 10 alternatives to Question2Answer for a variety of platforms, including Web-based, Self-Hosted, Windows, Linux and iPhone apps. The best Question2Answer alternative is Stack Overflow. It's not free, so if you're looking for a free alternative, you could try Stack Overflow or Stack Exchange. Other great apps like Question2Answer are Stackshare, Scoold, OSQA and AskBot.
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.

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 knowledge exchange: a place where physics researchers can ask each other about quantum...




Q&A platform software for teams at any scale. Whether it's a community forum, help center, or knowledge management platform, you can always count on Apache Answer.




Learn about the tech stack behind some of the world's best software companies. See which tools and services they use, and how they're using them.

Scoold is inspired by StackOverflow and implements most of its features. You can ask and answer questions, upvote and downvote posts, earn badges and reputation. Each edit creates an new revision, making it easy to follow the history of edits. Scoold is optimized for the cloud.




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.

Askbot is a Q&A system, like StackOverflow, Yahoo Answers and some others. Askbot is based on code of CNPROG, originally created by Mike Chen and Sailing Cai and some code written for OSQA.

DialogLoop is an Audience Engagement Platform for Presenters, Zoomers, Live Streamers, Companies, Performers, and Event Organizers who want to interact with their Audience during Live, Hybrid, and Remote Events using Video Conferencing solutions or Video Streaming solutions (OBS...




Interaction platform for programming enthusiasts, learners, and experts to solve problems. Fast and inexpensive solutions to your programming problems. People with no prior knowledge of the programming knowledge can start from here and reach an expertise level.

Solace is a fully open-sourced multilingual support and knowledge exchange platform written in Python.
Answers is not a plugin/tool to create Q&A site.