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Top Open Source Email Marketing & Newsletters Tools in 2026

A curated collection of the 10 best free and open-source Email Marketing & Newsletters tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Notifuse

    Open-source email platform for newsletters

    Stars
    2,078
    Last commit
    20d ago
    License
    AGPL-3.0

  • Billion Mail

    Open-source self-hosted email server and marketing tool

    Stars
    15,456
    Last commit
    2mo ago
    License
    AGPL-3.0

  • Wraps

    Self-hosted email platform for Amazon SES

    Stars
    56
    Last commit
    11d ago
    License
    Open Source

  • useSend

    Open source email platform for everyone

    Stars
    4,641
    Last commit
    14d ago
    License
    AGPL-3.0

  • Plunk

    Open-source transactional email platform

    Stars
    5,397
    Last commit
    13d ago
    License
    AGPL-3.0

  • Sendune

    No-code dashboard for AWS SES email management

    Stars
    2,303
    Last commit
    3mo ago
    License
    MIT

  • Sendportal

    Open source self-hosted email marketing

    Stars
    2,161
    Last commit
    29mo ago
    License
    MIT

  • Hyvor Post

    Privacy-first newsletter platform without tracking

    Stars
    32
    Last commit
    20d ago
    License
    AGPL-3.0

  • Listmonk

    Self-hosted newsletter and mailing list manager

    Stars
    23,145
    Last commit
    20d ago
    License
    AGPL-3.0

  • Keila

    Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.

    Stars
    2,192
    Last commit
    19d ago
    License
    AGPL-3.0
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Showing 10 of 10 open-source tools