Keila is an open source alternative to newsletter tools like Mailchimp or Sendinblue.
With Keila you can easily send out newsletter campaigns and create sign-up forms.
For smaller newsletters, you can use your own email inbox to send out campaigns. For larger newsletter projects, AWS SES, Sendgrid, Mailgun, and Postmark are supported in addition to SMTP.
Key Features
- Templates.
- Powerful block editor.
- Write newsletters with Markdown directly or use our Markdown-powered WYSIWYG editor.
- MJML or send your HTML-free emails.
- Analytics give you all the insights you need to make the most of your campaigns – while still respecting user privacy and not collecting more than is necessary and useful.
- Form Builder – create and design sign-up forms for your newsletter. Customize your forms with additional checkboxes, text fields, and dropdowns.
- Protect your forms with a captcha check and verify new sign-ups with double-opt-in.
- Personalize Emails with Custom Data and Liquid Templates.
- Visual segment editor and a powerful segment language for more complex cases.
- Comprehensive API to manage contacts and campaign
Website: github.com/pentacent/keila
Support:
Developer: Jordan Wages
License: GNU Affero General Public License v3.0

Keila is written in Elixir. Learn Elixir with our recommended free books and free tutorials.
Related Software
| Mailing List Managers | |
|---|---|
| listmonk | Self-hosted newsletter and mailing list manager |
| Sympa | Scalable and highly customizable modern mailing list manager |
| Mailman | Manage electronic mail discussion and e-newsletter lists. Python-based |
| Discourse | Capable mailing list, and long-form chat room |
| Mlmmj | Simple and slim mailing list manager (MLM) inspired by ezmlm |
| Keila | Send out newsletter campaigns and create sign-up forms |
| schleuder | Group’s email-gateway |
| ezmlm-idx | Highly automated mailing list manager |
| Dada Mail | Mature and intuitive web-based e-mail list management system |
| Majordomo | Perl based mailing list manager |
| ulist | Mailing list service that keeps it simple |
| Gray Duck Mail | Modern group email discussion lists |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

