DoubleZero
Open-source alternative to Resend, SendGrid, Mailgun.
00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.
00 is an open-source email API and infrastructure solution that allows developers to own and control their email stack.
Some key features of DoubleZero:
- Open-source alternative to Resend, SendGrid, Mailgun
- Email & Communication coverage
- GitHub stars, forks, license, last commit, and activity score synced from directory sources
- Codex course and interactive classroom previews attached to the repository detail page
Learning previews
Learn this project
Codex HTML Course
DoubleZero Codex HTML Course
DoubleZero Codex HTML Course is being prepared for this directory project.
Interactive Classroom
DoubleZero Interactive Classroom
DoubleZero Interactive Classroom is being prepared for this directory project.
Categories
Built with
Related projects
Sessy
Unknown
Track SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Hyvor Relay
AGPL-3.0
Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.
Sendportal
MIT
Open-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.
Postal
MIT
Self-hosted email delivery platform with powerful features for transactional and bulk emails, offering full control and customization.
Plunk
AGPL-3.0
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.
useSend
AGPL-3.0
Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.