littleFedi is a small ActivityPub server written in Go. It runs as a
single binary with SQLite, local media storage and a web interface that
works without JavaScript. Mastodon-compatible applications can connect
through its API.

Optional features include a PostgreSQL backend, S3 media storage and
static blogs. littleMesh lets hosts without a public domain or inbound
ports federate through self-hosted lighthouses and HTTPS gateways.