#1
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
2 self-hosted Sinch SMS API alternatives
Sinch SMS API is a cloud messaging service for sending and receiving SMS globally. It provides phone number provisioning, delivery receipts and reporting, inbound message webhooks, and programmable messaging features for notifications, 2FA, and conversational SMS.
Alternatives to Sinch SMS API
#2
A Python-based notification library and CLI that routes messages to 120+ services via URL-based configurations, enabling self-hosted cross-platform alerts.
17.2k stars648 forksBSD-2-Clauselast commit Actively maintained
What replacing Sinch SMS API actually involves
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. 2 of 2 shipped a commit in the last six months. Licences in this list: Apache-2.0, BSD-2-Clause. In exchange you take on hosting, backups and updates yourself.
Browse everything in API Development, Mocking & Testing.
