Explore and compare curated open-source alternatives. Filter by platform, licensing, or deployment mode to find your perfect fit.
Self-hosted newsletter and mailing list manager replacing Mailchimp with high-throughput email campaigns, PostgreSQL storage, and zero per-contact fees.
Self-hosted mail server and campaign platform replacing Mailchimp with Postfix, Dovecot, and Roundcube on your own Linux server without per-contact fees.
Self-hosted marketing automation platform replacing ActiveCampaign with visual campaign workflows, behavioral lead scoring, and zero per-contact fees.
Plunk is an open-source email platform replacing Resend and Mailchimp with zero contact fees, automated workflows, and self-hosted Amazon SES delivery.
Open-source email delivery platform pairing a Next.js dashboard with Amazon SES to send transactional and marketing messages without per-contact fees.
Open-source drag-and-drop HTML email designer that exports portable, cross-client email templates without vendor lock-in or recurring per-contact fees.
Free IDE for Java, Kotlin, Go, TypeScript and Python. Built on IntelliJ Community, fully open source, 300+ plugins.
Notifuse is a self-hosted email platform replacing Mailchimp with a visual MJML builder, multi-provider delivery routing, and zero per-contact fees.
Keila is an open-source newsletter tool that replaces hosted marketing suites with self-hosted list management, block editing, and direct SMTP delivery.
Sendportal is a self-hosted email marketing platform that connects to Amazon SES and Postmark to replace Mailchimp without per-subscriber pricing.
phpList is an open-source email marketing platform replacing commercial services like Mailchimp with complete data ownership and custom SMTP throttling.
Wraps replaces hosted email APIs like Resend with in-account Amazon SES infrastructure, offering typed React templates and direct cloud throughput.
Hyvor Post is an open-source newsletter platform with zero tracking pixels, replacing complex marketing suites with privacy-respecting email broadcasts.