Apache Streams 是一个实现了 ActivityStreams 技术的轻量级框架

Apache ServiceMix is a flexible, open-source integration container that unifies the features and functionality of Apache ActiveMQ, Camel, CXF, and Karaf into a powerful runtime platform you can use to build your own integrations solutions.

Transactions for Apache HBase

Apache HAWQ is a Hadoop native SQL query engine that combines the key technological advantages of MPP database with the scalability and convenience of Hadoop.

Java file-based extremely fast and reliable FIFO queue.

AsterixDB is a BDMS (Big Data Management System) with a rich feature set that sets it apart from other Big Data platforms. Its feature set makes it well-suited to modern needs such as web data warehousing and social data storage and analysis.

leisurely是简单易用的分布式微服务后台脚手架，使用spring cloud 作为微服务框架，应用nacos作为注册中心进行服务治理，seata进行分布式事务管控。sentinel进行数据流控，zipkin进行链路追踪，实现主从数据，分布式锁等

Apache Aurora lets you use an Apache Mesos cluster as a private cloud. It supports running long-running services, cron jobs, and ad-hoc jobs.

Apache Beam is a unified model for defining both batch and streaming data-parallel processing pipelines, as well as a set of language-specific SDKs for constructing pipelines and Runners for executing them on distributed processing backends, including A...

Tez 是支持 DAG 作业的开源计算框架，它可以将多个有依赖的作业转换为一个作业从而大幅提升 DAG 作业的性能

Apache Apex is a unified platform for big data stream and batch processing. Use cases include ingestion, ETL, real-time analytics, alerts and real-time actions.

Apache Avro™ is a data serialization system.

Helix 是一个通用的集群管理框架，用于自动化的分区、复制和资源分布，提供如下特性：   自动将资源和分区分配给节点 节点故障检测与恢复 动态添加资源 动态向集群添加节点 可插拔

Apache Tamaya是一个孵化项目，旨在提供一个非常强大而灵活的配置解决方案

Apache Mnemonic  是一个面向非易失性混合内存存储的库，它提出了一个非易失性/持久的 Java 对象模型和持久的计算服务，能显着提高了海量实时数据处理/分析的性能