Alternatives to Mercure
An open protocol and MIT-licensed hub server that pushes real-time updates to browsers and apps. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Mercure
An open protocol and MIT-licensed hub server that pushes real-time updates to browsers and apps.
Replacements
Listings that take over the same core job as Mercure.
Centrifugo
A self-hosted real-time messaging server that pushes updates to web and mobile clients over WebSocket and SSE.
Centrifugo pushes updates over WebSocket and SSE with channel history, presence and official SDKs, but some features are reserved for its paid PRO edition.
Similar software
Related functionality, not a direct replacement.
Novu
Open-source notification infrastructure that sends in-app, email, SMS, push and chat messages through one API.