Repository Index

:fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.

• tcc
• saga
• xa
• at

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

• vertx
• java
• netty
• reactive

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.

• java
• bpm
• spring
• cloud

Simple Binary Encoding (SBE) - High Performance Message Codec

• codec
• java
• c-plus-plus
• golang

An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.

• java-8
• background-jobs
• parallel-processing
• scheduling

Simple, high-performance event-driven HTTP client+server for Clojure

• clojure
• async
• websockets
• http-server

🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.

• kafka
• rest
• server-sent-events
• streaming-api

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

• java
• java-mail
• outlook
• batch-processing

High performance JVM JSON library

• json
• java
• high-performance
• android

binary serialization format

• serialization
• serializable-objects
• cross-platform
• high-performance

TranslatedUniversal, flexible, high-performance distributed ID generator.

• distributed
• id
• idgenerator
• snowflake

Microservices library - scalecube-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

• microservices
• reactive-streams
• distributed-systems
• service-mesh

High-performance JSON parser

OpenDJ is an open-source LDAP directory server written in Java. It provides robust, scalable, and secure directory services for identity management, access control, and authentication in enterprise environments. OpenDJ supports LDAPv3 standard, replication, REST APIs, and high-performance

• ldap-server
• ldap
• opendj
• rest

An open source, a high-performance hybrid integration platform that allows developers quick integration with any application, data, or system.

• integration
• middleware
• wso2
• esb

Modern Clojure HTTP server and client built for ease of use and performance

• clojure
• java
• http-server
• http-client

Elegance, high performance and robustness all in one java bean mapper

• annotations
• xml
• java
• jmapper

JMeter plugin that lets you send sample results to an ElasticSearch engine to enable live monitoring of load tests.

• jmeter
• plugin
• jmeter-plugin
• elasticsearch

Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.

• annotation
• apache-poi
• csv
• data-processing

Using vertx-client for AWS SDK v2

• aws-sdk
• java
• vertx
• performance

Cassandra client for Vert.x

• cassandra
• vertx
• reactive
• perforomance

A blueprint adapting VertX to distributed game server

• game
• gamedev
• gameserver
• java

vertx-values enhances JSON handling in Vert.x by providing codecs for the immutable JSON objects from the json-values library. It eliminates the need for copying JSON data during transmission over the Event Bus, reducing garbage collection overhead and boosting performance.

• immutability
• json
• json-values
• persistent-data-structure

Demo of high performance AI model (pmml export) evaluator api base on Vert.x, Supports dynamic routing configuration for multiple pmml models via JSON

• pmml
• ai
• java-pmml
• verticle