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#stream-processing

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

43 records
Tagged “stream-processing”Ranked by health index
crates.io · Maven · npm +1
100Exceptionalhealth index
risingwavelabs/risingwave
Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real time, at scale.
Rust★ 9,342Sep 24, 2026
Apache-2.0Sep 24, 2026 · metrics 2.10.0
PyPI
99Exceptionalhealth index
ag2ai/faststream
Asynchronous Python framework for event-driven services. A thin client for Kafka, RabbitMQ, NATS, Redis and MQTT with full access to native broker features, plus AsyncAPI docs, in-memory tests and observability out of the box.
Python★ 5,343↓ 1.2M/moSep 17, 2026
Apache-2.0Sep 17, 2026 · metrics 2.10.0
crates.io · npm · PyPI
98Exceptionalhealth index
MaterializeInc/materialize
The live data layer for apps and AI agents. Create up-to-the-second views into your business, just using SQL
Rust · Python★ 6,380↓ 2/moOct 2, 2026
Custom licenseOct 2, 2026 · metrics 2.10.0
crates.io · npm
98Exceptionalhealth index
vectordotdev/vector
A high-performance observability data pipeline.
Rust · CUE★ 22.6K↓ 73/moSep 16, 2026
MPL-2.0Sep 16, 2026 · metrics 2.10.0
—
97Exceptionalhealth index
fluent/fluent-bit
Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows
C★ 8,129Sep 29, 2026
Apache-2.0Sep 29, 2026 · metrics 2.10.0
npm · Go · crates.io
96Exceptionalhealth index
numaproj/numaflow
Kubernetes-native platform to run massively parallel data/streaming jobs
Rust · Go · TypeScript★ 2,835↓ 8/moOct 21, 2026
Apache-2.0Oct 21, 2026 · metrics 2.10.0
PyPI · crates.io
96Exceptionalhealth index
online-ml/river
🌊 Online machine learning in Python
Python★ 6,099↓ 176.9K/moSep 17, 2026
BSD-3-ClauseSep 17, 2026 · metrics 2.10.0
PyPI
96Exceptionalhealth index
quixio/quix-streams
Python Streaming DataFrames for Kafka
Python★ 1,572↓ 70.4K/moSep 18, 2026
Apache-2.0Sep 18, 2026 · metrics 2.10.0
Go
95Exceptionalhealth index
redpanda-data/connect
Fancy stream processing made operationally mundane
Go★ 8,737Aug 28, 2026
Custom licenseAug 28, 2026 · metrics 2.10.0
Go · crates.io · npm
94Exceptionalhealth index
PeerDB-io/peerdb
Fast, Simple and a cost effective tool to replicate data from Postgres to Data Warehouses, Queues and Storage
Go · TypeScript★ 3,271Sep 11, 2026
AGPL-3.0Sep 11, 2026 · metrics 2.10.0
PyPI
94Exceptionalhealth index
Point72/csp
csp is a high performance reactive stream processing library, written in C++ and Python
Python · C++★ 440Sep 11, 2026
Apache-2.0Sep 11, 2026 · metrics 2.10.0
PyPI · crates.io
94Exceptionalhealth index
getsentry/arroyo
A library to build streaming applications that consume from and produce to Kafka.
Python · Rust★ 62↓ 84.4K/moSep 9, 2026
Apache-2.0Sep 9, 2026 · metrics 2.10.0
Maven
94Exceptionalhealth index
questdb/questdb
QuestDB is a high performance, open-source, time-series database
Java★ 17.3KSep 16, 2026
Apache-2.0Sep 16, 2026 · metrics 2.10.0
Maven · npm
92Excellenthealth index
spring-cloud/spring-cloud-stream
Framework for building Event-Driven Microservices
Java★ 1,069Sep 13, 2026
Apache-2.0Sep 13, 2026 · metrics 2.10.0
Maven
91Excellenthealth index
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.
Java★ 6,622Oct 20, 2026
Custom licenseOct 20, 2026 · metrics 2.10.0
PyPI · crates.io
90Excellenthealth index
pathwaycom/pathway
Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.
Python · Rust★ 62.3K↓ 7,236/moSep 20, 2026
Custom licenseSep 20, 2026 · metrics 2.10.0
crates.io
89Excellenthealth index
p2panda/p2panda
All the things a panda needs
Rust★ 562↓ 7,429/moSep 10, 2026
Custom licenseSep 10, 2026 · metrics 2.10.0
npm
88Excellenthealth index
hazelcast/hazelcast-nodejs-client
Hazelcast Node.js Client
TypeScript · JavaScript★ 152↓ 25.5K/moAug 28, 2026
Apache-2.0Aug 28, 2026 · metrics 2.10.0
npm · PyPI
87Excellenthealth index
google-ai-edge/mediapipe
Cross-platform, customizable ML solutions for live and streaming media.
C++★ 37KSep 16, 2026
Apache-2.0Sep 16, 2026 · metrics 2.10.0
PyPI
87Excellenthealth index
nerevu/riko
A Python stream processing engine modeled after Yahoo! Pipes
Python★ 1,607Sep 18, 2026
MITSep 18, 2026 · metrics 2.10.0
Packagist
87Excellenthealth index
sanmai/pipeline
Build streaming pipelines in PHP. The missing pipe operator. General-purpose collections pipeline. Since 2017.
PHP★ 75↓ 1.5M/moSep 13, 2026
Apache-2.0Sep 13, 2026 · metrics 2.10.0
crates.io · PyPI
86Excellenthealth index
powersemmi/ruststream
An async messaging framework for Rust
Rust★ 56↓ 2,024/moOct 8, 2026
Apache-2.0Oct 8, 2026 · metrics 2.10.0
PyPI
84Excellenthealth index
openfun/ralph
:gear: Ralph, the ultimate Learning Record Store (and more!) for your learning analytics
Python★ 51↓ 2,616/moOct 13, 2026
MITOct 13, 2026 · metrics 2.10.0
crates.io
84Excellenthealth index
rxRust/rxRust
Zero-cost & Type-safe Reactive Extensions for Rust. Supports both high-performance single-threaded (Local) and thread-safe (Shared) contexts. WASM & Tokio ready.
Rust★ 1,119↓ 3,759/moOct 14, 2026
MITOct 14, 2026 · metrics 2.10.0
PyPI
78Goodhealth index
OCHA-DAP/hdx-python-utilities
A range of helpful utilities for Python developers including streaming tabular data, date parsing, JSON and YAML handling, dictionary and list utilities
Python★ 10↓ 62.6K/moOct 13, 2026
MITOct 13, 2026 · metrics 2.10.0
crates.io
78Goodhealth index
SeaQL/sea-streamer
🌊 Stream processing toolkit for Redis & Kafka
Rust★ 370↓ 48.4K/moSep 17, 2026
Apache-2.0Sep 17, 2026 · metrics 2.10.0
Maven
71Goodhealth index
eschizoid/kpipe
Composable Kafka consumer library for building modular, testable JVM data pipelines.
Java★ 57Sep 13, 2026
Apache-2.0Sep 13, 2026 · metrics 2.10.0
Go
60Moderatehealth index
ClassMesh/classmesh
Confidence-gated classification cascade in Go: deterministic rules first, models next, expensive calls only for what is left
Go★ 0Sep 10, 2026
MITSep 10, 2026 · metrics 2.10.0