{"data":{"slug":"hyvor-relay","name":"Hyvor Relay","tagline":"AGPL-3.0 email relay; Self-Hosted Free Forever unlimited","category":"notifications","categoryName":"Notifications","url":"https://relay.hyvor.com","github":"https://github.com/hyvor/relay","pricing":"open-source","hook":"Hyvor Relay is AGPL email relay you self-host forever when Postal is a full mail stack.","whatsGood":"AGPL-3.0. Self-Hosted Free Forever unlimited — that is the free path. Relay-focused email sending without claiming Cloud free. Pitch self-host only.","theCatch":"Do NOT claim Cloud free. Self-host unlimited is the pitch. Vs Postal full mail server and Plunk Node email. Distinct from Postal and Plunk.","verdict":"AGPL email relay. Self-host free forever; no Cloud free claim.","addedAt":"2026-09-04","featured":false,"domain":"Comms","subSpecialty":"Email","capabilities":["email","relay"],"surfaces":["Self-host"],"ecosystem":["Multi-platform"],"licenseModel":"AGPL","githubStars":883},"related":[{"slug":"ntfy","name":"ntfy","tagline":"HTTP pub-sub notifications you can curl from cron"},{"slug":"novu","name":"Novu","tagline":"MIT notification workflows with a real 0 USD Cloud"},{"slug":"listmonk","name":"Listmonk","tagline":"AGPL-3.0 self-hosted newsletters and transactional mail"},{"slug":"apprise","name":"Apprise","tagline":"BSD-2-Clause CLI that talks to a hundred notifiers"},{"slug":"gotify","name":"Gotify","tagline":"MIT self-host push server; Android-first, no ntfy.sh twin"}],"links":{"self":"/api/gems/hyvor-relay","html":"/gems/hyvor-relay","markdown":"/gems/hyvor-relay.md","category":"/api/gems?category=notifications","categoryPage":"/stacks/notifications"}}