InstaNewsletter.com™
Directory Compare Guides Blog Contact

Categories

Email Service Provider (ESP) Transactional & Delivery Newsletter Platforms Self-Hosted CMS Plugins Mobile Apps Desktop Apps Templates & Builders QA & Testing Design & Distribution Forum & Mailing Lists Enterprise MAP Legacy & Redirected
InstaNewsletter.com™
Directory Compare Guides Blog Contact
Email Service Provider (ESP) Transactional & Delivery Newsletter Platforms Self-Hosted CMS Plugins Mobile Apps Desktop Apps Templates & Builders QA & Testing Design & Distribution
InstaNewsletter.com™

Directory / Desktop Apps

Mailspring

Open-source Electron email client.

Desktop Apps hybrid active
Website

Details

LicenseGPL-3.0
Platformsmac,windows,linux

Features

templates

Related Desktop Apps

Beacon Email Designer

Collaborative email design desktop/web app.

Desktop Apps saas

Mosaico

Open-source responsive email editor (also self-hostable).

Desktop Apps hybrid

Spark Mail

Team email client with shared inboxes (newsletter adjacent).

Desktop Apps saas

Explore more Desktop Apps email newsletter software, read the email service provider (ESP) guide, or browse the Newsletter Info Blog.

InstaNewsletter.com™

Directory

  • Email service providers
  • Newsletter platforms
  • Self-hosted newsletter
  • Transactional email

Tools

  • Email templates
  • Email QA testing
  • Mobile apps
  • CMS email plugins

Guides & Blog

  • Newsletter Info Blog
  • Compare email newsletter software
  • Email service provider (ESP) guide
  • Templates, QA & CMS

About

  • Home
  • Contact
  • [email protected]
  • Full catalog
  • RSS feed
  • Sitemap
InstaNewsletter.com™
InstaNewsletter.com™

© 2026 InstaNewsletter.com™ — the directory of email newsletter software.