Design patterns implemented in Java

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

Modern Java - A Guide to Java 8

Resilience4j is a fault tolerance library designed for Java8 and functional programming

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

A damn simple library for building production-ready RESTful web services.

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

A list of useful Java frameworks, libraries, software and hello worlds examples

The simple, stupid rules engine for Java

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

Fault tolerance and resilience patterns for the JVM

High performance non-blocking webserver

Generates a unified GraphQL schema from gRPC microservices and other Protobuf sources

Web UI for PrestoDB.

Implementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity ...

Stream summarizer and cardinality estimator.

Lean & powerful HTTP apps

A Java library for sending APNs (iOS/macOS/Safari) push notifications

Secor is a service implementing Kafka log persistence

Java libraries for writing composable microservices

Fast JSON parser for java projects

Java client for InfluxDB

A Java HTTP client for consuming Twitter's realtime Streaming API

Learn to use Storm!

An alerting dashboard for Graphite

Zero-allocation hashing for Java

Client library for collecting metrics.