S

scalability

VictoriaMetrics

🔧🔗github.com/VictoriaMetrics/VictoriaMetrics VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Centrifugo

https://github.com/centrifugal/centrifugo Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.