SendPortal is an open-source, self-hosted email marketing application for managing newsletters.

Is SendPortal open source?

Yes. SendPortal is open source under the MIT licence. Its source code is on GitHub at mettle/sendportal and is written mainly in PHP.

Yes. SendPortal is open source, so the software itself is free to use.

Can I self-host SendPortal?

Yes. SendPortal can be self-hosted on your own server or infrastructure.

What is SendPortal an alternative to?

SendPortal is an open-source alternative to Sendy. Other open-source alternatives to Sendy include Keila, Listmonk and BillionMail.

Is SendPortal actively maintained?

Yes. The most recent commit to SendPortal was on 12 October 2026, and the latest release is v4.0.0, published on 12 October 2026. The project has 2.2k stars on GitHub.

SendPortal: open-source alternative to Sendy

About SendPortal

SendPortal is an open-source email marketing software that is self-hosted, giving users control over their data. It is designed to manage newsletters and offers cost savings compared to services like MailChimp and Campaign Monitor.

The software includes subscriber and list management, campaign management, message tracking, and support for multiple workspaces. It provides a REST API for integration and allows unlimited users, subscribers, segments, and messages.

Key features

Subscriber and list management with import via API or CSV upload and custom-defined segments
Campaign management with custom templates and targeting of all subscribers or segments
Message tracking for opens, clicks, bounces, and unsubscribes
Multiple workspaces or teams through a single interface
REST API for integration

Built with: PHP tools
Tags: email marketing; newsletter; self-hosted; open source; laravel

SendPortal: questions and answers

What is SendPortal?: SendPortal is an open-source, self-hosted email marketing application for managing newsletters.
Is SendPortal open source?: Yes. SendPortal is open source under the MIT licence. Its source code is on GitHub at mettle/sendportal and is written mainly in PHP.
Is SendPortal free?: Yes. SendPortal is open source, so the software itself is free to use.
Can I self-host SendPortal?: Yes. SendPortal can be self-hosted on your own server or infrastructure.
What is SendPortal an alternative to?: SendPortal is an open-source alternative to Sendy. Other open-source alternatives to Sendy include Keila, Listmonk and BillionMail.
Is SendPortal actively maintained?: Yes. The most recent commit to SendPortal was on 12 October 2026, and the latest release is v4.0.0, published on 12 October 2026. The project has 2.2k stars on GitHub.