Sparrow is a B2B product built for businesses and professionals needing local document data extraction.

Does Sparrow have a free plan?

Yes — there is a free tier, with paid plans for advanced use.

Is Sparrow still active?

The GitHub repository shows 97 commits in the last 90 days.

What projects are similar to Sparrow?

Similar projects tracked by PulseGate include Hebatron Legal, verdikt, and Vondy.

Sparrow is developed by Katanaml.

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Sparrow

Name: Sparrow
Author: Katanaml

katanaml.ioOther AI

Sparrow is a web application that enables users to extract structured data from PDFs and images using local Vision AI models. It supports schema-based extraction, table recognition, and privacy-focused processing for businesses and professionals.

FreemiumGPL-3.0Web

Visit katanaml.io

5.2kstars

518forks

6features

2022since

Overview

6 features

Sparrow is an Other AI project. It focuses on extracting structured data from documents and images without uploading sensitive files to the cloud. Sparrow is a B2B product aimed at businesses and professionals needing local document data extraction. A free plan is available. Sparrow is available on the web.

Behind Sparrow is Katanaml, and it first shipped in 2022. Development happens publicly on GitHub with 5.2k stars and 97 commits in the last 90 days. Among its 6 catalogued features are document upload, schema-based extraction, and table extraction.

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

Document upload
Schema-based extraction
Table extraction
PDF/image support
Local inference
Privacy-focused

Built with & integrations

Framework

Next.js

Runs on

Browser

Detected from

Next.js: x-nextjs-cache header · x-nextjs-prerender header · x-powered-by header

Trust & compliance

License

GPL-3.0

Verified signals

HTTPSFree tierGitHub · ★ 5.2kActive maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed8 Jul · 23:29 UTC
katanaml/sparrow verified against its public source
Source: PulseGate · Open

Frequently asked questions about Sparrow

What is Sparrow?: Sparrow focuses on extracting structured data from documents and images without uploading sensitive files to the cloud. It is catalogued under Other AI on PulseGate.
Who is Sparrow for?: Sparrow is a B2B product built for businesses and professionals needing local document data extraction.
Does Sparrow have a free plan?: Yes — there is a free tier, with paid plans for advanced use.
What platforms does Sparrow run on?: Sparrow runs on the web.
Is Sparrow still active?: The GitHub repository shows 97 commits in the last 90 days.
What projects are similar to Sparrow?: Similar projects tracked by PulseGate include Hebatron Legal, verdikt, and Vondy.Hebatron Legal verdikt Vondy
Who makes Sparrow?: Sparrow is developed by Katanaml.
When did Sparrow launch?: Sparrow first shipped in 2022.

At a glance

Platforms: Web
Languages: English
Open source: Yes · ★ 5.2k
License: GPL-3.0
Built for: businesses and professionals needing local document data extraction
Model: B2B
Solves: Extracting structured data from documents and images without uploading sensitive files to the cloud.

Registered as

GitHub: katanaml/sparrow

Developer

Katanaml

Small team

GitHub

Open source

View on GitHub

Stars: 5,178
Forks: 518
Open issues: 0
Last commit: 30 Jun 2026
Commits 90d: 97
Contributors: 4
Authorship: Small team
Default branch: main
Latest release: v0.6.0 · 5 Jun 2026

Live coverage

Identity confidence: High · 95
Indexed: 8 Jul 2026
Lifecycle: Unverified
Last seen: 8 Jul 2026

Identity audit (12)

Slug: katanaml-sparrow-katanaml-io
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 Jul 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 8 Jul 2026
Canonical URL: https://sparrow.katanaml.io/process

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