1. SocketioSocket.IO Java Server based on Netty. was created to meet gaming performance requirements. battle tested and in use by Playtech Microservices API Gateway.
2. Scalecube ClusterScaleCube Cluster is a lightweight Java VM implementation of SWIM: Scalable Weakly-consistent Infection-style Process Group Membership Protocol. features cluster membership, failure detection, and gossip protocol library.
3. Scalecube ServicesScaleCube Services is a high throughput, low latency reactive microservices library built to scale. it features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing. its open and designed to accommodate changes. (no sidecar in a form of broker or any kind)
4. scalecube-jsToolkit for working in microservices/micro-frontends architecture.
5. scalecube-configScaleCube Config is a configuration access management library for JVM based distributed applications
6. reactor-aeronA reactive driver for Aeron transport (https://github.com/real-logic/aeron)
7. scalecube-gatewayScaleCube API Gateway is the single entry point for service consumers. handles incoming requests and proxy/route to the appropriate microservice instance.