ntfy
Phone alerts from any script that can send an HTTP POST: an open source pub-sub notification service, free on ntfy.sh without an account, or self-hosted.
// NOTIFICATIONS
5 entries tagged with "notifications"
// ENTRIES
5 entries
SMS Gateway for Android
Turn an Android phone and its SIM into an SMS API: send texts with an HTTP call, get incoming ones as webhooks, stay on the LAN or use a self-hosted relay.
PriceGhost
Get price-drop alerts from your own server: a self-hosted tracker whose dedicated scrapers mostly target US retailers, with no commits since February 2026.
changedetection.io
Know when a web page changes, from your own server: text, price, stock or screenshots compared. Chrome is optional; the hosted plan costs $8.99 a month.
Novu
Email, SMS, push, chat and an in-app inbox behind one API, with swappable providers. MIT open core; the free self-hosted edition allows one team member.