OSS Discovery

FR
France
COMMUNICATION & SOCIAL
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREEMIUM
Hyvor Relay

HYVOR RELAY

Hyvor Relay: Open-source, self-hosted email API for developers. Send millions of daily emails with ease. Offers enterprise features, automated deliverability & a cloud version coming 2026. Built with AGPL-3.0 license, it's a premium alternative to AWS SES & Mailgun, empowering developers with robust email infrastructure.

GITHUB STARS
570
+12% this month
FORKS
29
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
1
Tracking updates
LICENSE
AGPL-3.0
Commercial use
**Hyvor Relay** is a self-hosted email API that sends emails using SMTP. It is built for developers who need to manage and send large volumes of email. Hyvor Relay runs on the user's own infrastructure.

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

PHP
PHP
Svelte
Svelte
Go
Go
TypeScript
TypeScript
JavaScript
JavaScript
Dockerfile
Dockerfile
Twig
Twig
Shell
Shell
HTML
HTML
Makefile
Makefile
CSS
CSS

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Active
Category
Communication & Social
Pricing
Freemium
Self-Hosted
Yes
Available on
Windows
macOS
Linux
Latest Release
0.0.43
Apr 13, 2026

Relative Standing — across 1,284 tools

STARS570
Top 82% globally
FORKS29
Top 87% in Open Source
ACTIVITYModerate
Top 64% Activity
WATCHERS1
Top 94% Community