People come to Quora to ask questions about any subject, read high quality knowledge that's personalized and relevant to them, and share their own knowledge with others. Quora is a place to share knowledge and better understand the world.




Stack Overflow is described as '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' and is a very popular Q&A service in the education & reference category. There are more than 25 alternatives to Stack Overflow for a variety of platforms, including Web-based, Self-Hosted, Android, Linux and Mac apps. The best Stack Overflow alternative is Quora, which is free. Other great apps like Stack Overflow are Codidact, TopAnswers, Scoold and GeeksforGeeks.
People come to Quora to ask questions about any subject, read high quality knowledge that's personalized and relevant to them, and share their own knowledge with others. Quora is a place to share knowledge and better understand the world.




Ever had a question? Ever had an answer? Ever had knowledge to share? We believe that coming together to inquire and learn, to share knowledge and to teach each other, makes the world a better place. We also believe that Q&A communities should be free from the politics and...




TopAnswers is what Stack Overflow should be: focused on communities and knowledge sharing, not profit. We share some of the same aims:
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.




A Computer Science portal for geeks. It contains well written, well thought and well-explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

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.



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.




AnonymousOverflow allows you to view StackOverflow threads without the cluttered interface and exposing your IP address, browsing habits and other browser fingerprint data to StackOverflow.


Whether you’re here to seek knowledge, share your expertise, or simply engage in stimulating conversations, we invite you to join our community. Your presence enriches our platform, and together, we can make the pursuit of knowledge a collaborative and rewarding journey.
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.




Because you NEED an account to use the site.