Open Source Projects tagged "Smtp"
A curated collection of the best open source projects tagged "Smtp". Each listing includes a website screenshot along with a detailed review of its features.
Self-hosted newsletter and mailing list manager
Stars
23,002Last commit
1 day agoLicense
AGPL-3.0
Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres.
Open Source Alternative to:
Open-source mail server with unlimited sending & AI tools
Stars
15,426Last commit
2 months agoLicense
AGPL-3.0
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.
Open Source Alternative to:
Open-source email API with enterprise deliverability
Stars
829Last commit
9 hours agoLicense
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.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
c15t