Repository Index

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

• rocketmq
• cloud-native
• eventing
• java

Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code

• workflow-schedule
• azkaban
• airflow
• task-scheduler

Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.

• camel
• integration
• java
• microservices

The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀

• api
• testing
• kubernetes
• api-testing

EventMesh is a new generation serverless event middleware for building distributed event-driven applications.

• esb
• event-driven
• event-mesh
• event-governance

🦎 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

Stream Processing and Complex Event Processing Engine

• streaming-data-processing
• cep
• stream-processing
• complex-event-processing

Framework for building Event-Driven Microservices

• microservices
• messaging
• event-driven-microservices
• stream-processing

The ultimate distributed MQTT broker. Handles 100M+ connections and 10M msg/sec with ease. Built on Kafka to provide industrial-grade persistence and eliminate data loss.

• broker
• iot
• java
• kafka

Java client for NATS

• nats
• java
• client
• messaging

CogComp's Natural Language Processing Libraries and Demos: Modules include lemmatizer, ner, pos, prep-srl, quantifier, question type, relation-extraction, similarity, temporal normalizer, tokenizer, transliteration, verb-sense, and more.

• natural-language-processing
• nlp
• big-data
• data-mining

Stateful actors on Apache Flink 2.x and Java 21 — durable per-key state, exactly-once messaging, Kafka and Kinesis I/O, Kubernetes-native deployment. Continues the Apache Stateful Functions programming model on the modern Flink line.

• actor-model
• apache-flink
• distributed-systems
• event-driven

A Splitable Hadoop InputFormat for Concatenated GZIP Files and *.(w)arc.gz

• hadoop
• spark
• webarchive
• web-archiving