Marco, a privacy-first, offline-first email client (IMAP-native, no AI)

Description

Hey HN. I'm Isaac, and I'm building Marco ( https://marcoapp.io ), a cross-platform email client that works with any IMAP provider. macOS, iOS, and web today. I started Marco because I finally lost patience with Apple Mail, and the email client market has a weird gap. Legacy clients look terrible and/or are not cross-platform. The good ones scan your data or cost $300+/year. And there's a graveyard of s