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.
Scalability GitHub Repositories (2026) · Open Source Tools
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Real-time messaging library for Go. The simplest way to add feature-rich and scalable WebSocket support to your application. The core of Centrifugo server.
High performance reactive SQL client written in Java
NCache: Highly Scalable Distributed Cache for .NET
Chaos and resiliency testing tool for Kubernetes with a focus on improving performance under failure conditions. A CNCF sandbox project.
A Cloud at the lowest level!
Framework for Evolutionary Message-Driven Microservices on the JVM
Stake-based threshold multi-signatures protocol
Oracle Coherence Community Edition