Open Source Licenses & Credits
Lakehousecat is built on the shoulders of giants. We're grateful to the open source community for the incredible work that makes our product possible.
Core Frameworks & Technologies
These major open source projects form the foundation of Lakehousecat:
Kubernetes
Apache-2.0Container orchestration platform
Apache Airflow
Apache-2.0Workflow orchestration
Apache Superset
Apache-2.0Data visualization and exploration
ClickHouse
Apache-2.0Columnar database for analytics
SvelteKit
MITWeb application framework
Docusaurus
MITDocumentation framework
PostgreSQL
PostgreSQL LicenseRelational database
SeaweedFS
Apache-2.0Distributed object store and file system
Valkey
BSD-3-ClauseHigh-performance key/value datastore
All Dependencies by License Type
Apache-2.050 packages
View License Text →PostgreSQL License1 package
View License Text →BSD-3-Clause34 packages
View License Text →MIT1204 packages
View License Text →MIT-062 packages
View License Text →ISC90 packages
View License Text →Python-2.01 package
View License Text →CC-BY-4.01 package
View License Text →BSD-2-Clause28 packages
View License Text →UNLICENSED1 package
View License Text →(MPL-2.0 OR Apache-2.0)1 package
View License Text →(AFL-2.1 OR BSD-3-Clause)1 package
View License Text →MIT*3 packages
View License Text →MPL-1.11 package
View License Text →CC0-1.02 packages
View License Text →(BSD-3-Clause OR GPL-2.0)1 package
View License Text →(WTFPL OR MIT)2 packages
View License Text →(MIT AND Zlib)1 package
View License Text →(BSD-2-Clause OR MIT OR Apache-2.0)1 package
View License Text →Unlicense1 package
View License Text →BlueOak-1.0.01 package
View License Text →0BSD1 package
View License Text →(MIT OR CC0-1.0)3 packages
View License Text →Python & NPM Dependencies
Lakehousecat uses numerous Python packages (via pip/requirements.txt) and JavaScript packages (via npm/package.json). A complete, machine-readable list of all dependencies and their licenses can be generated automatically:
# Python packages
$ pip-licenses --format=json --with-urls > licenses-python.json
# NPM packages
$ npx license-checker --json > licenses-npm.jsonAcknowledgments
We extend our deepest gratitude to:
- The Apache Software Foundation for Airflow, Superset, and countless other projects
- The Kubernetes community for revolutionizing infrastructure management
- The Python Software Foundation and the broader Python ecosystem
- The Svelte team and Meta for incredible web frameworks
- All individual contributors and maintainers who make open source possible
Open source is at the heart of innovation. We're committed to:
- Contributing back to the projects we depend on
- Maintaining strict license compliance
- Supporting the open source community financially when possible
- Sharing knowledge and improvements with the community
License Compliance Statement
Lakehousecat GmbH respects and complies with all open source licenses. This page lists our direct and transitive dependencies to the best of our knowledge. If you believe any attribution is missing or incorrect, please contact us at: legal@lakehousecat.com
Code Snippets & Inspirations
Lakehousecat's development was inspired by various open source projects. All code has been independently developed for data analytics use cases:
- Open WebUI - Initial design inspiration (historical MIT at time of reference in mid-2024; current upstream uses a modified BSD 3-Clause with branding clause — see upstream LICENSE / LICENSE_HISTORY)
The original Lakehousecat UI (2024) was inspired by Open WebUI's design concepts. Core UI components were independently re-implemented via a cleanroom rewrite (completed 2026-02). Residual utility fragments identified in a 2026-07 audit were removed or rewritten. Lakehousecat is an independent data-analytics product and does not redistribute Open WebUI branding or the Open WebUI application.
Original project: Open WebUI (Copyright (c) 2023- Open WebUI Inc.) - dlt (Data Load Tool) - Data pipeline patterns and connectors (Apache-2.0)
- Various Stack Overflow contributions (CC BY-SA 4.0)
- GitHub Gists and code examples (various licenses, attributed in source code)
All incorporated code is used in compliance with respective licenses and attributed in our source code comments where applicable.