That's not a FOSS StackOverflow, it's a cross between several platforms.
For those interested, There's already another initiative for a free, non-commercial, community-governed StackExchange alternative, called codidact: https://codidact.org/
I don't know that it's good (or bad), I just know there's been planning work going on around it, following the recent upheavals and resignations on the StackExchange network.
Looking at that homepage, I have zero idea about what it does or even looks like. It seems to be all mission statement fluff and no description of the actual tool.
For those interested, There's already another initiative for a free, non-commercial, community-governed StackExchange alternative, called codidact: https://codidact.org/
I don't know that it's good (or bad), I just know there's been planning work going on around it, following the recent upheavals and resignations on the StackExchange network.