Keila

An open-source newsletter tool for sending campaigns and building sign-up forms, which you can self-host or use as a paid cloud service.

Open-source alternative to:

Mailchimp

Visit Keila GitHub Docs

AGPL-3.0-or-laterSelf-hostedCloudFully featured free edition

Screenshot of the Keila website — Homepage of keila.io

What the free edition leaves out

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The free edition covers the features teams usually need; we found nothing important held back. “Not confirmed” means the official pages we read did not say, so we do not guess.

Open-core feature checklist for Keila
Feature	Free edition	Details	Source
SSO / SAML	Not confirmed	Not mentioned in the pages read.	Source ↗
Role-based access control	Not confirmed	User roles are not mentioned in the docs home page.	Source ↗
Audit logs	Not confirmed	Not mentioned in the pages read.	–
Multi-user / teams	Not confirmed	Not covered in the pages read. The homepage mentions a Partner Mode for managing client sub-accounts. Partner Mode is a Keila Cloud feature, not part of the self-hosted install.	Source ↗
Backups and restore	Not confirmed	The installation requirements page does not mention backups.	Source ↗
API access	Free	The homepage and docs describe an API for contacts and campaigns. The homepage says Keila has no proprietary premium features.	Source ↗
Support SLA	Paid	The pricing page says paid help is available for setting up a self-hosted instance. No SLA terms were found.	Source ↗

Best for

Individuals and small organisations that want a simple newsletter tool they can self-host or buy as a flat-priced cloud service.

Why choose it over Mailchimp

AGPL-3.0 licensed, and the homepage says there are no proprietary premium features, so the self-hosted version is the same software as the cloud. Keila Cloud lists unlimited contacts on every plan, priced by emails per month, and you can send through your own SMTP, SES, Mailgun, Postmark or SendGrid account.

Where it falls short

It is a newsletter tool, not a full marketing automation suite. Marketing automation is listed as planned on the homepage, not as available. Roles, SSO, audit logs and backup tooling are not documented on the pages read. Keila Cloud has no free plan. You manage PostgreSQL, upgrades and email deliverability yourself when self-hosting.

Open-source alternative to

Mailchimp — Keila is an open-source newsletter tool for campaigns, forms and contact segments that can be self-hosted.

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