What are the best Data Observability repositories on GitHub?

The top-ranked Data Observability open source repositories include datahub-project/datahub, open-metadata/OpenMetadata, marmotdata/marmot, tracked and evaluated by community adoption, stars, and code commits.

How do I find trending Data Observability open source tools?

Browse this curated Data Observability directory to monitor real-time GitHub star velocity, latest code releases, and rising developer tools updated daily.

Are Data Observability GitHub repositories free and open source?

Most Data Observability projects listed here are distributed under open source licenses (such as MIT, Apache 2.0, or GPL). Always check individual project repositories for exact license terms.

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Data Observability GitHub Repositories (2026) · Open Source Tools

Discover the best Data Observability open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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4 matching projects · updated Nov 12, 2026 How we rank ↗

#1 TRENDING datahub-project/datahub Python 2015

The Context Platform for your Data and AI Stack

◇ agent-platform ◇ context-management ◇ data-catalog ◇ data-discovery

3.7K ↑ +27 today

12.9K

#2 TRENDING open-metadata/OpenMetadata TypeScript 2021

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.

◇ context ◇ context-layer ◇ data-catalog ◇ data-collaboration

2.5K ↑ +14 today

15.7K

#3 TRENDING marmotdata/marmot Go NEW 2025

The open-source context layer for your AI. Catalog your tables, topics, queues and APIs then expose real metadata to your AI agents.

◇ bigdata ◇ data-catalog ◇ data-collaboration ◇ data-discovery

31 ↑ +4 today

628

#4 TRENDING DataKitchen/data-observability-installer Python 2024

Installer and quickstart for DataKitchen's open-source DataOps TestGen and DataOps Observability. Installs TestGen with Docker Compose or pip, Observability with Docker Compose.

◇ data-engineering ◇ data-observability ◇ data-profiling ◇ data-quality

12 ↑ +3 today

144

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Data Observability GitHub Repositories (2026) · Open Source Tools

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