
Add email, push, and in-app notifications to your app.
A limited free cloud plan is available. More workflow runs and features require payment.
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Customer Communication Platforms
Pay per email sent, not for contact storage.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.
Pay per email sent, not for contact storage. A self-hosting option is recorded for this project. Review the official deployment instructions and maintenance requirements before running it yourself.
Follow the publisher’s current installation or quickstart guide for the edition and device you want to use. Tool-specific installation steps have not yet been checked by AltStack.
Technologies recorded in the catalog snapshot.

Add email, push, and in-app notifications to your app.
A limited free cloud plan is available. More workflow runs and features require payment.

Omnichannel customer support with a built-in AI assistant.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

Simple, fast, and secure push notifications for all.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

Self-hosted newsletter and mailing list manager.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

Open-source mail server with unlimited sending & AI tools.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

Open-source cloud communications platform for developers.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.