光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Vert.x is a tool-kit for building reactive applications on the JVM

SeaTunnel is a next-generation super high-performance, distributed, massive data integration tool.

🚄 FASTJSON2 is a Java JSON library with excellent performance.

Java dataframe and visualization library

TLC is a model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.

Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!

BitSail is a distributed high-performance data integration engine which supports batch, streaming and incremental scenarios. BitSail is widely used to synchronize hundreds of trillions of data every day.

Jupiter是一款性能非常不错的, 轻量级的分布式服务框架

Netty In Action 中文版

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

High performance JVM JSON library

Java Collections till the last breadcrumb of memory and performance

High Performance Software-Defined Block Storage for container, cloud and virtualisation. Fully integrated with Docker, Kubernetes, Openstack, Proxmox etc.

Java implementation for Baidu RPC, multi-protocol & high performance RPC.

🚀 Fast lightweight HTTP service framework.

ActiveJ is an alternative Java platform built from the ground up. ActiveJ redefines core, web and high-load programming in Java, providing simplicity, maximum performance and scalability

Zero-allocation hashing for Java

binary serialization format

A high performance, distributed RPC framework.（分布式服务框架XXL-RPC）