The open-source communication infrastructure for agents and products
- notifications
- communication
- sms
Repository Index
65,764 visible repositories in the index
1–24 of 35 · Most stars
Send push notifications to your phone or desktop using PUT/POST
The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.
- totp
- ldap
- sso-authentication
- two-factor-authentication
Apprise - Push Notifications that work with just about every platform!
- notifications
- notification-hub
- notification-api
- python
Free implementation of Play Services
- java
- android
- microg
- google-cloud-messaging
🔥 A well-tested feature-rich modular Firebase implementation for React Native. Supports both iOS & Android platforms for all Firebase services.
Bark is an iOS App which allows you to push custom notifications to your iPhone
Firebase SDK for Apple App Development
- firebase
- ios-sdk
- objective-c
- database-as-a-service
⚓️ Easily test HTTP webhooks with this handy tool that displays requests instantly.
Countly is a privacy-first, AI-powered analytics and engagement platform for understanding and optimizing customer journeys across digital applications, from desktop and mobile to IoT and connected environments.
- web-analytics
- dashboard
- mobile-analytics
- analytics
🖥️📱🔔 A utility for sending notifications, on demand and when commands finish.
Backend of Bark
- push-notifications
- self-hosted
- tools
⚡ HTTP/2 Apple Push Notification Service (APNs) push provider for Go — Send push notifications to iOS, tvOS, Safari and OSX apps, using the APNs HTTP/2 protocol.
- apns
- notifications
- apple
- http2
Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨
- open-source
- typescript
- javascipt
- customer-engagement
Free Chat SDK (IM SDK) — 1,000 MAU/month free forever with push notifications & no concurrency limits. Build in-app messaging with chat API, UIKit & send message. Supports Android, iOS, Flutter, Web, React Native, uni-app, HarmonyOS & more.
- android
- chat-api
- chat-sdk
- chat-uikit
The push notification service for Ruby.
- notification-service
- firebase-cloud-messaging
- ruby
- notifications
Ovis (formerly herdr web UI): free, open-source browser and phone client for herdr. Chat and live terminal for Claude Code, Codex and every agent pane, remote PCs over SSH, web push alerts
Push notification server for APNs, FCM and Web Push, written in Go.
- push-notifications
- uniqush
- apns
- gcm
An app for creating push notifications for new messages posted to gotify/server.
- fdroid
- gotify
- playstore
- android
Chanify is a safe and simple notification tools. This repository is command line tools for Chanify.
- apns
- push-notifications
- golang
- server
Native iPhone and iPad console for herdr: watch and drive coding agents on your machines over SSH, in Herdr TUI or the Herdr desktop app (herdr-core), with a real libghostty terminal, native Chat, QR pairing, and push notifications when an agent needs you
- ai-agents
- apns
- coding-agents
- herdr
OneSignal makes engaging customers simple and is the fastest, most reliable service to send push notifications, in-app messages, SMS, and emails. This plugin makes it easy to integrate your Fluter app with OneSignal. https://onesignal.com
JSON-RPC 2.0 implementation over WebSockets for Node.js and JavaScript/TypeScript
- rpc-api
- rpc-framework
- rpc-client
- rpc-server
🔭 Powerful tool for testing WebHooks and more
- webhook
- tests
- golang
- push-notifications