Who should use duckle?

duckle is an open-source project built for data engineers.

Does duckle have a free plan?

Yes — duckle is open source under the Apache-2.0 license and free to use.

What platforms does duckle run on?

duckle runs on the web and the command line. It can also be self-hosted.

Is duckle still active?

The GitHub repository shows 838 commits in the last 90 days.

duckle is developed by Slothflow Labs.

Is duckle open source?

Yes — duckle is open source under the Apache-2.0 license, developed on GitHub.

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duckle

Name: duckle
Author: Slothflow Labs

duckle.orgInfrastructure

Duckle provides local-first ETL and ELT pipelines powered by DuckDB. It is distributed as a Python package with a headless CLI for running data integration and transformation workflows. The tool emphasizes privacy, simplicity, and running entirely on the user's machine without external service dependencies. It is open source under the Apache-2.0 license.

Open SourceApache-2.0WebCLISelf-hosted

Visit duckle.org

834stars

58forks

5features

2026since

Overview

5 features

duckle is a Developer Tools project. It focuses on building and running data integration and transformation pipelines locally without complex infrastructure or cloud dependencies. duckle is an open-source project aimed at data engineers. The project is open source (Apache-2.0). duckle is available on the web and the command line, and it can be self-hosted.

It is developed by Slothflow Labs, and it first shipped in 2026. The project is developed in the open on GitHub with 834 stars and 838 commits in the last 90 days. Among its 5 catalogued features are ETL pipelines, ELT pipelines, and duckDB integration.

Summary written by a language model from the project’s public pages.

ETL pipelines
ELT pipelines
DuckDB integration
Local-first architecture
Headless CLI

Built with & integrations

Runs on

BrowserCLISelf-hosted

Trust & compliance

License

Apache-2.0

Verified signals

HTTPSOpen SourceFree tierGitHub · ★ 834Active maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed21 Jul · 08:44 UTC
duckle verified via PyPI Bulk Enumerator
Source: PyPI Bulk Enumerator · Open

Frequently asked questions about duckle

What is duckle?: Duckle focuses on building and running data integration and transformation pipelines locally without complex infrastructure or cloud dependencies. It is catalogued under Developer Tools on PulseGate.
Who should use duckle?: duckle is an open-source project built for data engineers.
Does duckle have a free plan?: Yes — duckle is open source under the Apache-2.0 license and free to use.
What platforms does duckle run on?: duckle runs on the web and the command line. It can also be self-hosted.
Is duckle still active?: The GitHub repository shows 838 commits in the last 90 days.
Who develops duckle?: duckle is developed by Slothflow Labs.
How long has duckle been around?: duckle first shipped in 2026.
Is duckle open source?: Yes — duckle is open source under the Apache-2.0 license, developed on GitHub.

At a glance

Platforms: CLI · Web
Languages: English
Open source: Yes · ★ 834
License: Apache-2.0
First seen: 21 Jul 2026
Built for: data engineers
Model: Open source
Solves: Building and running data integration and transformation pipelines locally without complex infrastructure or cloud dependencies.

Registered as

GitHub: slothflowlabs/duckle
PyPI: duckle

Developer

Slothflow Labs

Team

GitHub

Open source

View on GitHub

Stars: 834
Forks: 58
Open issues: 55
Last commit: 21 Jul 2026
Commits 90d: 838
Contributors: 9
Authorship: Team
Default branch: main
Latest release: v0.5.6 · 20 Jul 2026

Index record

Indexed: 21 Jul 2026
Lifecycle: Alive
First seen: Jul 2026
Last seen: 21 Jul 2026

Identity audit (12)

Slug: duckle-pypi-org
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 21 Jul 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Canonical URL: https://duckle.org

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