I remember the last time I looked at Nylas, it was a fancy gmail frontend. Now it appears to require a "Nylas ID" which is not something I need. I don't want my

I remember the last time I looked at Nylas, it was a fancy gmail frontend. Now it appears to require a "Nylas ID" which is not something I need. I don't want my mail being synced to someone else's computer. Where's the "host your own sync system" package?