1.questdb / questdb
QuestDB is a high performance, open-source, time-series database
+712 stars
from 16,781 · score 6.57
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2.apache / hudi
Upserts, Deletes And Incremental Processing on Big Data.
+226 stars
from 6,119 · score 5.42
3.zhisheng17 / flink-learning
flink learning blog. http://www.54tianzhisheng.cn/ 含 Flink 入门、概念、原理、实战、性能调优、源码解析等内容。涉及 Flink Connector、Metrics、Library、DataStream API、Table API & SQL 等内容的学习案例，还有 Flink 落地应用的大型项目案例（PVUV、日志存储、百亿数据实时去重、监控告警）分享。欢迎大家支持我的专栏《大数据实时计算引擎 Flink 实战与性能优化》
+127 stars
from 14,973 · score 4.85
4.hazelcast / hazelcast
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
+97 stars
from 6,530 · score 4.58
5.apache / streampipes
Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.
+40 stars
from 716 · score 3.71
6.confluentinc / ksql
The database purpose-built for stream processing applications.
+16 stars
from 300 · score 2.83
7.siddhi-io / siddhi
Stream Processing and Complex Event Processing Engine
+15 stars
from 1,582 · score 2.77
8.spring-cloud / spring-cloud-stream
Framework for building Event-Driven Microservices
+13 stars
from 1,059 · score 2.64
9.smooks / smooks
An extensible Java framework for building event-driven applications that break up XML and non-XML data into chunks for data integration
+7 stars
from 416 · score 2.08
10.hazelcast / hazelcast-jetArchived
Distributed Stream and Batch Processing
+1 stars
from 1,110 · score 0.69