Ranked by Attention Score: stars gained over the last 30 complete days
1–100 of 378 by Attention Score · Oct 5, 2026 – Nov 3, 2026 (UTC)
Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.
Object-storage native graph database with branching and typed ontology
TranslatedOntiCards is an enterprise-oriented AI Data Hub that offers one-stop capabilities around business databases: data source connection, metadata understanding, natural language query, cross-source fusion, data quality inspection, query auditing, data asset management, and more
Cross-platform, customizable ML solutions for live and streaming media.
Apache Airflow - A platform to programmatically author, schedule, and monitor workflows
The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.
Apache Spark - A unified analytics engine for large-scale data processing
[SIGMOD'27] Easy Data Preparation with latest LLMs-based Operators and Pipelines.
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
Apache Kafka - A distributed event streaming platform
Apache Iggy: Hyper-Efficient Message Streaming at Laser Speed
Incremental engine for long horizon agents 🌟 Star if you like it!
High-Performance server for NATS.io, the cloud and edge native messaging system.
Prefect is a workflow orchestration framework for building resilient data pipelines in Python.
dbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications.
Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.
Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.
All-in-one IoT Platform - Device management, data collection, processing and visualization.
World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.
An orchestration platform for the development, production, and observation of data assets.
Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.
Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.
data load tool (dlt) is an open source Python library that makes data loading easy 🛠️
The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.
Eclipse Mosquitto - An open source MQTT broker
🌸 Run LLMs at home, BitTorrent-style. Fine-tuning and inference up to 10x faster than offloading
Open-source ETL/ELT you deploy on your own servers or cloud. Built on DuckDB: no-code/low-code visual pipelines or SQL, 385 components, dbt, CDC, data quality, reverse ETL, lineage, MCP for AI agents. No vendor cloud, no per-row billing.
IM Chat OpenClaw
Node-based Visual Programming Toolbox
Redpanda is a streaming data platform for developers. Kafka API compatible. 10x faster. No ZooKeeper. No JVM!
Evidently is an open-source ML and LLM observability framework. Evaluate, test, and monitor any AI-powered system or data pipeline. From tabular data to Gen AI. 100+ metrics.
Upserts, Deletes And Incremental Processing on Big Data.
A lightweight message queue. Like AWS SQS and RSMQ but on Postgres.
Always know what to expect from your data.
ingestr is a CLI tool to copy data between any databases with a single command seamlessly.
Open source RabbitMQ: core server and tier 1 (built-in) plugins
Build, Manage and Deploy AI/ML Systems
Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
Cleanlab's open-source library is the standard data-centric AI package for data quality and machine learning with messy, real-world data and labels.
The open source and enterprise-ready webhooks service 🦀
Diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.
Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real time, at scale.
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
ZeroMQ core engine in C++, implements ZMTP/3.1
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
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.
1 Line of code data quality profiling & exploratory data analysis for Pandas and Spark DataFrames.
The Open Source Feature Store for AI/ML
Building event-driven applications the easy way in Go.
A light-weight, flexible, and expressive statistical data testing library
ZenML 🙏: One AI Platform from Pipelines to Agents. https://zenml.io.
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs
Build data pipelines with SQL and Python, ingest data from different sources, add quality checks, and build end-to-end flows.
TranslatedAlibaba's MySQL binlog incremental subscription & consumption component
TranslatedDataX is the open-source version of Alibaba Cloud DataWorks Data Integration.
Keep passwords and other sensitive information out of your chat logs and inboxes.
Golang client for NATS, the cloud native messaging system.
Apache Beam is a unified programming model for Batch and Streaming data processing.
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.
Distributed stream processing engine in Rust
High performance Node.js/PostgreSQL job queue (also suitable for getting jobs generated by PostgreSQL triggers/functions out into a different work queue)
Kedro is a toolbox for production-ready data science. It uses software engineering best practices to help you create data engineering and data science pipelines that are reproducible, maintainable, and modular.
Meltano: the declarative code-first data integration engine that powers your wildest data and ML-powered product ideas. Say goodbye to writing, maintaining, and scaling your own API integrations.
Open-Source Web UI for Apache Kafka Management
Zero-ETL, infinite possibilities. Live query APIs, code & more with SQL. No DB required.
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
lakeFS - Data version control for your data lake | Git for data
The AsyncAPI specification allows you to create machine-readable definitions of your asynchronous APIs.
🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communications
Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.
Privacy and Security focused Segment-alternative, in Golang and React
KubeBlocks is a Kubernetes Operator designed to manage a variety of databases and streaming systems, including MySQL, PostgreSQL, MongoDB, Redis, RabbitMQ, RocketMQ, and more, within Kubernetes environments.
Notification library for gophers and their furry friends.
Apache DataFusion Ballista Distributed Query Engine
The Apache Kafka C/C++ library
Apache Pulsar - distributed pub-sub messaging system
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.
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
Lightweight and extensible compatibility layer between dataframe libraries!
Fancy stream processing made operationally mundane
Data pipelines for cloud config and security data. Build cloud asset inventory, CSPM, FinOps, and vulnerability management solutions. Extract from AWS, Azure, GCP, and 70+ cloud and SaaS sources.
Blazing-fast, Neuro-symbolic Data-Wrangling toolkit
Fast, Simple and a cost effective tool to replicate data from Postgres to Data Warehouses, Queues and Storage
Apache Hamilton helps data scientists and engineers define testable, modular, self-documenting dataflows, that encode lineage/tracing and metadata. Runs and scales everywhere python does.
A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others
The fastest unified streaming SQL Engine in a single C++ binary. ⚡ Millisecond latency. 100+ GB/s throughput. Continuously compute stateful context from streams, logs, metrics, events, and CDC.
One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.
A realtime distributed messaging platform
Pentaho Data Integration ( ETL ) a.k.a Kettle
Migrate to PostgreSQL in a single command!
The live data layer for apps and AI agents. Create up-to-the-second views into your business, just using SQL
iodine - HTTP / WebSockets Server for Ruby with Pub/Sub support