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Tech riderRev. 4 Oct 2026

Mosaico

Ch 136.8of 26 Email Template Software
  1. 1Runs onself-hosted, Web
  2. 2CostsFree plan
  3. 3Custom HTML editingYes
  4. 4Export optionshtml
4 lines stated Written from the maker's own pages: mosaico.email
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The Mosaico homepage

Overview

Mosaico is ranked #13 of 26 in email template software on Specifiction. It runs on Self-hosted, Web. There is a free plan.

Mosaico plans and pricing

All plans
Mosaico Free Open source email template builder · GPL license mosaico.email · 4 Oct 2026

Compared on email template software

Custom HTML editing
Yesmosaico.email
Export options
htmlmosaico.email

Facts

Purpose
Mosaico is an open source email template builder for designing responsive email templates.mosaico.email · 4 Oct 2026
Responsive templates
The site says its responsive, tested templates work with all major email clients and devices.mosaico.email · 4 Oct 2026
Customization
Users can personalize the overall theme and customize individual element styles.mosaico.email · 4 Oct 2026
Image handling
The editor supports drag and drop image uploads and automatically resizes images to fit available space.mosaico.email · 4 Oct 2026
Editing controls
Mosaico provides a global undo and redo system.mosaico.email · 4 Oct 2026
Custom templates
Mosaico supports custom templates through a template language that can make an HTML design work with the editor.mosaico.email · 4 Oct 2026
Template driven editing
The project README says templates define which content and styles can be edited in Mosaico.github.com · 4 Oct 2026
Open source license
The official site says Mosaico is distributed under the GPL license and links to its complete codebase on GitHub.mosaico.email · 4 Oct 2026
Deployment
The project README documents building and running Mosaico locally and deploying it through a web server such as Apache PHP or Django.github.com · 4 Oct 2026
Integrations
The project README says Mailtrain supports email editing via Mosaico and lists CiviCRM among open source projects using it.github.com · 4 Oct 2026
Image hosting limit
The site says hotlinking images from mosaico.io is disallowed and asks users to download and host images themselves.mosaico.email · 4 Oct 2026
Support
The site directs users who need support to its linked support guidance and says feedback email is not for support requests.mosaico.email · 4 Oct 2026
Audience
The site invites developers, template authors, end users, and UI/UX designers to provide feedback and suggestions.mosaico.email · 4 Oct 2026
Maker
The site says Mosaico is brought to users by Italian email marketing firm VOXmail.it.mosaico.email · 4 Oct 2026

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Where it ranks on Specifiction

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Sources