&gt; If Firebase closes tomorrow there will be no migration strategy for people who built their infrastructure around Firebase.<p>To be fair, the same thing could have been said about Parse yesterday. Thankfully they&#x27;ve done as good a job as can be expected in releasing an open source implementation.<p>But indeed, I might have stuck with Firebase had there been something like that available. Instead, we switched while patiently waiting for a js implementation that supported offline sync.<p>Any updates on the availability of that?