Java
Netty project - an event-driven asynchronous network application framework
Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
IntelliJ IDEA Community Edition & IntelliJ Platform
Runtime environment based on OpenJDK for running IntelliJ Platform-based products on Windows, macOS, and Linux
Free universal database tool and SQL client
The java implementation of Apache Dubbo. An RPC and microservice framework.
The JTS Topology Suite is a Java library for creating and manipulating vector geometry.