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Top 18 Python structured-data Projects
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langextract
A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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Project mention: Gluon: a GPU programming language based on the same compiler stack as Triton | news.ycombinator.com | 2025-09-17
Amazon (+ Microsoft) already released a language for ML called gluon 8 years ago: https://aws.amazon.com/blogs/aws/introducing-gluon-a-new-lib...
autogluon is popular as well: https://github.com/autogluon/autogluon
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LimiX
LimiX: Unleashing Structured-Data Modeling Capability for Generalist Intelligence https://arxiv.org/abs/2509.03505
Project mention: LimiX: Generalist Intelligence for Structured Data Modeling | news.ycombinator.com | 2025-11-21 -
docstrange
Extract and convert data from any document, images, pdfs, word doc, ppt or URL into multiple formats (Markdown, JSON, CSV, HTML) with intelligent structured data extraction and advanced OCR.
Try https://docstrange.nanonets.com/ once, 10k docs you can use for free. Strong table performance. Do give feedback if any. Powered by bigger model compared to our open source one which is quiet popular on HF.
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geo-optimizer-skill
Open-source Answer Engine Optimization (AEO) & Generative Engine Optimization (GEO) toolkit — audit, optimize & track whether ChatGPT, Perplexity, Gemini & Google AI Overviews cite your site. AI SEO / LLM SEO. CLI, Python, MCP, Astro.
Project mention: Why I Turned My Open-Source GEO Audit CLI Into a SaaS Monitoring Platform | dev.to | 2026-06-04 -
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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parsee-core
Retrieval of fully structured data made easy. Use LLMs or custom models. Specialized on PDFs and HTML files. Extensive support of tabular data extraction and multimodal queries.
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data-structure-protocol
Graph-based long-term memory skill for AI (LLM) coding agents — faster context, fewer tokens, safer refactors
Project mention: DSP (Data Structure Protocol): how to give LLM agents "long-term memory" of a large repository | dev.to | 2026-02-20k-kolomeitsev/data-structure-protocol
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parsehawk
Turn documents into structured JSON with local-first document AI. Run 100% locally by default, with API, CLI, and Web UI.
Project mention: Show HN: ParseHawk – 100% Local Document AI with API, CLI, and Web UI | news.ycombinator.com | 2026-06-25 -
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Project mention: Show HN: Extrai – An open-source tool to fight LLM randomness in data extraction | news.ycombinator.com | 2025-11-03
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Project mention: Show HN: Runo – open-source web scraping that returns typed JSON | news.ycombinator.com | 2026-07-08
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LLMScout
Technical-SEO and GEO checker CLI in TypeScript or Python: 21 checks, no headless browser, no external toolchain.
Project mention: How to Check If AI Systems Can Find and Cite Your Site (in 5 Minutes) | dev.to | 2026-07-28Repo: github.com/RudrenduPaul/LLMScout, a zero-dependency, cross-platform CLI that runs 21 GEO/AEO checks against any website. npm install -g llmscout-cli or pip install llmscout-cli.
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aio-surfaces
Generate llms.txt, aeo.json, entity.json, and brand.json from a single site config — AI citation engineering for static + dynamic sites.
Project mention: Tier 2 — Search Visibility: crawl budget, sitemaps, internal links | dev.to | 2026-05-23Originally published at thatdevpro.com. This article is part of the 14-tier Engine Optimization stack from ThatDevPro, an SDVOSB-certified veteran-owned web + AI engineering studio. You are reading the Dev.to republish; the canonical source is on ThatDevPro.com. Source repo for the AI-citation surfaces: github.com/Janady13/aio-surfaces.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Python structured-data discussion
Python structured-data related posts
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JSON-LD Explained for Personal Websites
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LimiX: Generalist Intelligence for Structured Data Modeling
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Blazingly fast E-Commerce in Nuxt
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Guide to SeleniumBase — A Better & Easier Selenium
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The HTTP Query Method
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A note from our sponsor - Kargo
akuity.io | 10 Sep 2026
Index
What are some of the best open-source structured-data projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | langextract | 38,542 |
| 2 | autogluon | 10,633 |
| 3 | LimiX | 4,095 |
| 4 | docstrange | 1,534 |
| 5 | thepipe | 1,524 |
| 6 | geo-optimizer-skill | 767 |
| 7 | superpipe | 109 |
| 8 | parsee-core | 84 |
| 9 | data-structure-protocol | 65 |
| 10 | parsehawk | 64 |
| 11 | Scrapontologies | 49 |
| 12 | flickypedia | 14 |
| 13 | Extrai | 7 |
| 14 | sdk | 5 |
| 15 | runo | 4 |
| 16 | LLMScout | 0 |
| 17 | aio-surfaces | 0 |
| 18 | jertl | 0 |
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