Best Modoboa Alternatives in 2026

Looking for something different? Here are the top alternatives to Modoboa, including direct competitors and similar tools.

Why Look for Modoboa Alternatives?

While Modoboa is well-rated (9.0/10), it might not be the perfect fit for every team. Common reasons users switch: requires technical linux server knowledge for initial setup and maintenance., requires linux server administration skills for initial deployment and maintenance. Explore the alternatives below to find the best match for your specific needs and budget.

M

Modoboa

OPEN SRC

9.0(0)

Mail hosting and management platform including a modern and simplified web user interface

■ INTELLIGENCE BRIEFING — Weekly tool drops. No spam.

Maddy Mail Server

All-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon

Mail-in-a-Box

Turns any Ubuntu server into a fully functional mail server with one command

Mailcow

Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration

Mailu

Simple yet full-featured mail server as a set of Docker images

Mox

Complete e-mail solution with IMAP4, SMTP, SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC, reputation-based and content-based junk filtering, Internationalization (IDNA), automatic TLS with ACME and Let's Encrypt, account autoconfiguration, and webmail

PdfDing

PDF manager, viewer and editor offering a seamless user experience on multiple devices. It's designed to be minimal, fast, and easy to set up using Docker.

SeedDMS

Document Management System with workflows, access rights, fulltext search, and more

Atsumeru

Manga/comic/light novel media server with clients for Windows, Linux, macOS and Android

Calibre

E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients

Kapowarr

Build and manage a comic book library. Download, rename, move and convert issues of the volume to your liking

Kavita

Cross-platform e-book/manga/comic/pdf server and web reader with user management, ratings and reviews, and metadata support.

kiwix-serve

Serve offline ZIM archives via a simple web server.

Komga

Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader

Stump

A fast, free and open source comics, manga and digital book server with OPDS support

DSpace

Turnkey repository application providing durable access to digital resources

EPrints

Digital document management system with a flexible metadata and workflow model primarily aimed at academic institutions

Fedora Commons Repository

Robust and modular repository system for the management and dissemination of digital content especially suited for digital libraries and archives, both for access and preservation