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#stream-processing (30 Repositories)

Ranked open-source repositories tagged with #stream-processing, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

43.8%

Avg Review Latency

91.4h

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30 repositories tagged #stream-processing

S TierC# 107

koralium/flowtide

High-performance streaming SQL query engine designed for real-time data processing. Use cases include event-driven architectures, ETL pipelines, and modern data-intensive applications.

96.3%
Merge Rate
2d
First Review
100%
1st-Timers
2
Maintainers
B TierScala 102

Banno/kafka4s

Functional programming with Kafka and Scala

95.7%
Merge Rate
1d
First Review
100%
1st-Timers
1
Maintainers
S TierRust 214 7 GFIs

wingfoil-io/wingfoil

graph based stream processing framework

85.6%
Merge Rate
17h
First Review
100%
1st-Timers
6
Maintainers
A TierRust 2.8k 1 GFIs

numaproj/numaflow

Kubernetes-native platform to run massively parallel data/streaming jobs

80.8%
Merge Rate
1d
First Review
83%
1st-Timers
21
Maintainers
A TierJava 6.2k 19 GFIs

apache/hudi

Upserts, Deletes And Incremental Processing on Big Data.

65.6%
Merge Rate
14h
First Review
55%
1st-Timers
41
Maintainers
A TierJava 738

apache/streampipes

Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.

94.2%
Merge Rate
7d
First Review
75%
1st-Timers
10
Maintainers
B TierRust 159

volga-project/volga

Real-time data processing/feature engineering tailored for modern AI/ML systems.

55.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
B TierScala 755

gearpump/gearpump

Lightweight real-time big data streaming engine over Akka

49.5%
Merge Rate
1d
First Review
50%
1st-Timers
1
Maintainers
A TierRust 552 2 GFIs

p2panda/p2panda

All the things a panda needs

59.3%
Merge Rate
5h
First Review
50%
1st-Timers
5
Maintainers
B TierKotlin 180

neo4j-contrib/neo4j-streams

Neo4j Kafka Connector

100.0%
Merge Rate
6d
First Review
100%
1st-Timers
0
Maintainers
A TierRust 9.3k 2 GFIs

risingwavelabs/risingwave

Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real time, at scale.

66.4%
Merge Rate
3d
First Review
50%
1st-Timers
32
Maintainers
B TierRust 6.4k

MaterializeInc/materialize

The live data layer for apps and AI agents. Create up-to-the-second views into your business, just using SQL

71.3%
Merge Rate
3d
First Review
65%
1st-Timers
31
Maintainers
B TierGo 8.7k 1 GFIs

redpanda-data/connect

Fancy stream processing made operationally mundane

68.0%
Merge Rate
7d
First Review
65%
1st-Timers
22
Maintainers
B TierRust 22.4k 1 GFIs

vectordotdev/vector

A high-performance observability data pipeline.

63.0%
Merge Rate
2d
First Review
47%
1st-Timers
50
Maintainers
B TierC# 569

microsoft/psi

Platform for Situated Intelligence

100.0%
Merge Rate
1d
First Review
0%
1st-Timers
1
Maintainers
B TierJava 315

confluentinc/ksql

The database purpose-built for stream processing applications.

63.4%
Merge Rate
4d
First Review
63%
1st-Timers
6
Maintainers
B TierRust 5.0k

ArroyoSystems/arroyo

Distributed stream processing engine in Rust

80.0%
Merge Rate
9d
First Review
67%
1st-Timers
7
Maintainers
B TierJava 1.1k

spring-cloud/spring-cloud-stream

Framework for building Event-Driven Microservices

21.4%
Merge Rate
2d
First Review
29%
1st-Timers
10
Maintainers
D TierJava 6.6k

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.

0.0%
Merge Rate
<1h
First Review
0%
1st-Timers
18
Maintainers
D TierRust 5.2k

fluvio-community/fluvio

🦀 event stream processing for developers to collect and transform data in motion to power responsive data intensive applications.

0.0%
Merge Rate
64d
First Review
0%
1st-Timers
0
Maintainers
D TierScala 120

streamnative/pulsar-spark

Spark Connector to read and write with Pulsar

0.0%
Merge Rate
-
First Review
0%
1st-Timers
1
Maintainers
D TierScala 214

TomasMikula/libretto

Declarative concurrency and stream processing library for Scala

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierHAHaskell 722

hstreamdb/hstream

HStreamDB is an open-source, cloud-native streaming database for IoT and beyond. Modernize your data stack for real-time applications.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierRust 473

FutureSDR/FutureSDR

An Async SDR Runtime for Heterogeneous Architectures

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC 440

Kurento/kurento

Kurento WebRTC Media Server

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierJava 15.1k

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》

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierPOPony 1.5k

WallarooLabs/wally

Distributed Stream Processing

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierScala 174

akka/akka-stream-contrib

Add-ons to Akka Stream

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierGo 796

gazette/core

Build platforms that flexibly mix SQL, batch, and stream processing paradigms

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierRust 382

RedisGears/RedisGears

Dynamic execution framework for your Redis data

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
Best Stream-processing Open Source Repositories & C-Rank™ | GetMerged