Upyo is a simple and cross-runtime library for sending email messages using SMTP and various email providers. It works on Node.js, Deno, Bun, and edge functions.
Jam is a tiny (~2kb gzipped), strongly-typed JMAP client with zero runtime dependencies. It has friendly, fluent APIs that make working with JMAP a breeze.
The Go framework for building JMAP servers. Implements RFC 8620 (Core), RFC 8621 (Mail), and more, with pluggable storage, authentication, search, and message delivery. Stdlib-only core.
KOTVA — the sovereign substrate: a narrow-waist protocol family (identity, signed objects, transport, pub/sub, sync) with mail (DMTAP), commerce (TRACT) and work (WRAP) as profiles. No token.