Open Source Everything
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Open-source alternatives to OneSignal

2 open-source projects that replace OneSignal, each for part of the job.

Open alternatives2

Sending notifications to people's phones and computers. See the whole group

ntfy screenshot
35kActiveAndroid · iPhone · In your browserApache-2.0Replaces partlyRuns on your own server

ntfy is a simple service that sends push notifications to your phone or desktop when a script or program makes a web request. It is for people who want to get alerts from their own tools without signing up or paying, and it can also be self-hosted.

Runs on your own server · GitHub
No screenshot yet
18kActiveWindows · Mac · LinuxBSD-2-ClauseReplaces partlyCode library

Apprise is a library and command-line tool that sends one notification format to many services such as Telegram, Discord, Slack and Gotify. It is aimed at developers and system administrators who need to send alerts to several places without learning each service's own system.

Code library · GitHub

Before you build

Planning something for an alternative to OneSignal? See what exists first, so you can reuse parts or explain what's different. Paste this into any AI assistant:

Read the list of open-source alternatives at https://opensourceeverything.org/data/groups/push-notifications.json. Compare it with my project or idea below. Tell me which projects overlap, what I could reuse instead of rewriting, and what mine does that none of them do. My project or idea:
Download the list