Keila is an open-source email newsletter tool and privacy-focused alternative to Mailchimp for creating campaigns, managing contacts, and building signup forms.

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🚀 Overview

Keila is a straightforward, reliable platform for sending newsletters that look perfect on every device and email client, from Gmail to Outlook and mobile apps. It handles everything from designing emails with a visual editor to tracking opens and clicks without compromising user privacy.

The project solves key pain points with proprietary tools like Mailchimp or Brevo: vendor lock-in, invasive tracking, escalating costs, and unreliable rendering. Keila offers full data ownership through self-hosting, privacy-respecting analytics (with opt-out), and no premium feature gates—everything is open source.

It's built for indie makers, small teams, non-profits, and organizations (especially in Europe) who send newsletters and want control, extensibility, and compliance with strict privacy standards. The creator built it to deliver a 'rock-solid' open source option that's easy to use yet powerful.

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✨ Key Features

• Rock-solid base templates that render flawlessly across all email clients and devices (Gmail, Outlook, Thunderbird, mobile/desktop)
• Easy-to-use visual Block Editor, Markdown WYSIWYG, MJML for advanced designs, and plain text/HTML options
• Privacy-first analytics: optional click/open tracking, no unnecessary data collection or selling
• Flexible Form Builder with custom fields (checkboxes, dropdowns), hCaptcha/Friendly Captcha, and double opt-in
• Personalization via custom JSON fields and Shopify Liquid templating
• Contact segmentation with visual editor and powerful query language
• Comprehensive REST API, Zapier integration (beta), SMTP providers (AWS SES, Mailgun, etc.)
• Upcoming/experimental: A/B testing, marketing automations, public campaign archives

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🛠 Tech Stack

• Frontend: Phoenix LiveView, HTML, CSS/SCSS, JavaScript
• Backend: Elixir, Phoenix framework
• Database: PostgreSQL
• Auth: Custom
• Hosting: Docker (self-host), Keila Cloud (EU servers in Germany/France)

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👥 Who Is This For?

This project is useful for:

• Developers who want to self-host a full-featured newsletter tool
• Indie makers building subscriber lists and campaigns without lock-in
• Teams looking for GDPR-compliant, privacy-focused email marketing

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📸 Screenshots / Demo

• Live demo: https://app.keila.io/auth/register
• GitHub: https://github.com/pentacent/keila

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🔥 Project Status

• 🟢 Actively building

Last updated: 2026-03-24

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❓ FAQ

Is this project free?

Open Source (self-hosting free). Keila Cloud is paid: starts at €8/month (2k emails), up to €256/month (250k emails); unlimited contacts/projects. Discounts for OSS/non-profits.

Is the source code available?

Yes — https://github.com/pentacent/keila (AGPL-3.0 license)

Can I contribute?

Yes — report bugs, suggest features, submit translations or PRs on GitHub. Check CONTRIBUTING.md and the public roadmap at https://www.keila.io/roadmap.

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📬 Contact & Links

• Website: https://www.keila.io
• GitHub: https://github.com/pentacent/keila
• Twitter/X: https://x.com/keila_io, https://x.com/pentacent
• Email: hello@keila.io

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