ntfy is a lightweight HTTP pub-sub service to send push notifications to phones, desktops, and browsers via PUT/POST or a REST API.

33.8k stars1.6k forksApache-2.0last commit Actively maintained

MagicBell is an in-app notification platform providing a multichannel Notification API, SDKs and UI components to build notification inboxes, real-time alerts, delivery routing, preference management and observability across email, push, SMS and chat.
ntfy is a lightweight HTTP pub-sub service to send push notifications to phones, desktops, and browsers via PUT/POST or a REST API.

33.8k stars1.6k forksApache-2.0last commit Actively maintained
Open-source multi-channel notification service with REST API, management UI, templates and channel abstraction for email, web, push and SMS; built with ASP.NET Core and React.

878 stars83 forksMITlast commit Actively maintained
Open-source event tracker for tech products: ingest key events, send push notifications, run webhook actions, and monitor critical workflows in real time.

477 stars18 forksAGPL-3.0last commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 3 of 3 shipped a commit in the last six months. Licences in this list: Apache-2.0, MIT, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Webhooks & Event Triggers.