Open source
Novu
Open source notification infrastructure for apps and agents
Push MessagingOpen source notification stack
Alternatives to Pusher
12 tools like Pusher, chosen by what they do. About Pusher
Curated
Courier
Notification API for sending messages across channels
Push MessagingNotification API and routing
Open source
ntfy
Send push notifications to your phone with simple HTTP requests
Push MessagingSimple push by HTTP
Freemium
Curated
Knock
Notification infrastructure for in-app, email and push
Push MessagingNotification infrastructure
Freemium
Stream
SDKs and APIs for in-app chat, activity feeds and video
Push MessagingChat and activity feed SDKs
Curated
Sendbird
Enterprise APIs for in-app chat, calling and AI customer service
Push MessagingIn-app chat and calls
Free trial
Customer.io
Customer engagement platform for messages across channels
Push MessagingAutomated messages for apps
Curated
Airship
Mobile-first customer experience and messaging platform
Push MessagingMobile engagement platform
Open source
Centrifugo
Self-hosted server for realtime messages and live updates
Realtime and VideoScalable realtime messaging
Freemium
Ably
Realtime messaging platform for chat, live apps and AI sessions
Realtime and VideoRealtime messaging platform
Open source
Framework7
Free framework for iOS, Android and desktop-style apps
FrameworksiOS and Android hybrid apps