Stack Overflow Alternatives
Stack Overflow is described as 'If you are a developer you know what Stack Overflow is. The biggest and best Q&A site for developers on the web' and is a well-known app in the Education & Reference category. There are more than 25 alternatives to Stack Overflow for a variety of platforms, including the Web, Self-Hosted solutions, Android, iPhone and Linux. The best alternative is Quora, which is free. Other great apps like Stack Overflow are Question2Answer (Free, Open Source), Scoold (Free, Open Source), Yahoo! Answers (Free) and Answeree (Free).