i want to install stackoverflow like software on my site - which one is used most!?

[tarifa]

dear comunity,

 

i want to install stackoverflow like software on my site - which one is used most!? 

full story: Is Stack Overflow open source? If so - where can I get the source code?

i have seen an overview with many many engines: https://meta.stackexchange.com/questions/2267/are-there-any-clones-alternatives-for-running-a-stack-exchange-style-qa-site the question is: which one is the most vibrant and used system? in other words - which one is used most - and under a sustainable development. 

i have seen several - eg the following one: 

https://www.question2answer.org/

What is Question2Answer?
Question2Answer (Q2A) is a popular open source Q&A platform for PHP/MySQL, currently running on 23,650 sites in 40 languages.
How do I get Q2A?

Download Question2Answer 1.8.3, then read how to install. Version 1.8.3 was released on January 12th, 2019. Also on GitHub.
https://www.question2answer.org/sites.php

 

 

what do you think: which one is the best one stackoverflow like software on my site - which one is used most!?