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Dev tools · alternatives · 2026

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24 alternatives to WildDuck – Self-hosted modern email server

WildDuck is a scalable no-SPOF IMAP/POP3 mail server

WildDuck is a self-hosted email server designed for developers and organizations wanting to run their own mail infrastructure. It offers modern features and full control over email operations, with users managing the… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. WildDuck – Self-hosted modern email server launched in 2019; newer entries below may have overtaken it.

  1. 1

    High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app. - knadh/listmonk

    2019 · github.com · its alternatives →

  2. 2

    Everything you need to start sending newsletters, drip campaigns, transactional emails. Mailcoach is a fully featured email marketing platform built for growing creators, developers, and businesses.

    2020 · mailcoach.app · its alternatives →

  3. 3
    MailCue▲82

    Run as a fully hardened production email server.

    Apr 2026 · olib-ai.github.io · its alternatives →

  4. 4
    Listmonk▲320

    Self-hosted newsletter and mailing list manager

    2019 · github.com · its alternatives →

  5. 5

    Create unlimited email aliases for free. Protect your real email from spam by using a different address for each service. Privacy friendly, anonymous replies.

    2019 · anonaddy.com · its alternatives →

  6. 6
    MailDump▲270

    Find, extract and verify emails automatically

    2018 · maildump.co · its alternatives →

  7. 7

    Now GA: the ducking simple analytics data warehouse

    2024 · motherduck.com · its alternatives →

  8. 8FS
  9. 9
    Mailtrain▲323

    Self hosted newsletter app (Mailchimp clone)

    2016 · github.com · its alternatives →

  10. 10
    Bitbounce▲263

    Email paywall

    2017 · its alternatives →

  11. 11
    Mailcheap▲123

    Email hosting, dedicated email servers, API-first platform

    2018 · mailcheap.co · its alternatives →

  12. 12AF

    This is a side project of mine. Use this as your SMTP server in a test environment to guarantee that your users don't receive test emails. Looking for feedback, especially on the security side.

    2024 · fakemail.stream · its alternatives →

  13. 13

    Distributed open source IMAP server built on Node.js+MongoDB

    2017 · docs.wildduck.email · its alternatives →

  14. 14

    ServiceBeard is an open-source sync tool which polls your IMAP server for new mail and creates new issues on your repo/project, or posts comments if it's a reply to an existing thread. In the other direction, any comments on the issue triggers an outgoing email to the customer (using your SMTP server). The obvious use-case is setting up a service desk using existing infrastructure, but I'm curious to see what other use-cases come up. I'm Joram, the solo developer who built ServiceBeard. My team was managing a shared mailbox by using coloured labels and read/unread statuses just to…

    Jul 2026 · servicebeard.app · its alternatives →

  15. 15
    Mailbob▲255

    A newsletter platform for personal brands/small businesses

    2024 · mailbob.io · its alternatives →

  16. 16

    Hi everyone! For the past year I've been working on a simple LDAP server for user management, targeted at self-hosted servers. The idea is that OpenLDAP is a pain to install, configure and manage, and on top of that you need a frontend if you want a web UI. LDAP instead provides a minimalistic LDAP server that supports the subset of LDAP needed for user management and authentication, with almost no configuration required, and a nice UI/API in front of it. We just released version 0.4 (and 0.3 actually) and it should now be stable enough to use it yourself! We've had some people using it…

    2022 · github.com · its alternatives →

  17. 17

    Hello HN! We're excited to announce MyDuck Server, an open-source project that seamlessly integrates the analytical power of DuckDB with your existing MySQL & Postgres databases. *Backstory* Currently, there are no fully satisfactory open-source OLAP solutions for MySQL & Postgres. In the MySQL ecosystem, HeatWave offers close integration, but it's a proprietary, commercial product from Oracle. The Postgres community has seen promising DuckDB-based extensions emerge, including the official pg_duckdb. However, extensions can introduce isolation concerns in mission-critical environments.…

    2024 · github.com · its alternatives →

  18. 18

    I am happy to announce Stalwart JMAP [1], an open-source JSON Meta Application Protocol server that aims to be scalable, robust and secure. Some of its key features are: - JMAP Core, JMAP Mail and JMAP over WebSocket full compliance. - IMAP4 rev2/1 support via Stalwart IMAP, an imap-to-jmap proxy [2]. - Scalable and fault tolerant: consensus over Raft, node autodiscovery over gossip and read-only replicas. - RocksDB backend with full-text search support in 17 languages. - OAuth 2.0 authorization code and device authorization flows. - Domain Keys Identified Mail (DKIM) message signing. -…

    2022 · github.com · its alternatives →

  19. 19
    Mailway▲56

    OSS and self hostable catch-all incoming email routing

    2021 · github.com · its alternatives →

  20. 20IB
  21. 21

    Introducing Posthorn, a self hosted email gateway. One docker container (or Go binary) between every self hosted app on your VPS and your transactional email provider. Set up Posthorn once, point your apps to it, done. I was trying to deploy Ghost on a DigitalOcean droplet and found that DO and many different VPS services have started to block the default SMTP ports to try to combat the various types of abuse they get. To actually configure my app, I had to hack together a Postfix relay. In another project, I had a static site which had a contact form, but my free Formspree account was…

    May 2026 · github.com · its alternatives →

  22. 22

    Automated email testing for dev/staging/QA/CI environments

    2018 · mailsnag.com · its alternatives →

  23. 23

    Self-hosted newsletter and mailing list manager

    2021 · github.com · its alternatives →

  24. 24FR

    Deliver real-time data and low-latency WebSockets & pub/sub at the edge with Fastly. Scale chat, IoT, live apps and messaging with a self-managed infrastructure.

    2017 · fanout.io · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →