> Why isn't it more popular? Because it's written in FreePascal: a modern, object-oriented version of Pascal. A lot of readers will stop right here and never this give project another glance, the thought of using Pascal as simply too outdated or embarrassing.
Personally, I've never heard of the framework and FreePascal would definitely be a reason not to adopt it for me, as I'm not familiar with how to fix problems should they arise, while I would be able to troubleshoot an app written on Java or better yet NodeJS.