If you are on Android 11+ and mourning this loss, stop. Install LSPosed . It is the spiritual successor. It is faster, safer, and actually maintained.
But for those of us who remember installing "GravityBox" on a Jelly Bean tablet just to get a battery percentage... pour one out for the domain. dl-xda.xposed.info down
dl-xda.xposed.info didn't just serve files. It served freedom. And for now, it's resting in peace. If you are on Android 11+ and mourning this loss, stop