---
title: "#opendata articles | Hashnode"
description: "Explore 29 articles tagged #opendata on Hashnode. Tutorials, guides, and how-tos from the community."
url: "https://hashnode.com/tag/opendata"
---

Tag

# #opendata

29 posts · 0 followers

[anders lee](https://hashnode.com/@anderslee) · [3d ago](https://hashnode.com/posts/what-i-learned-turning-government-property-tax-spreadsheets-into-one-county-dataset/6af10e4abbb9c0510c27c224)

### [What I learned turning government property tax spreadsheets into one county dataset](https://anders.hashnode.dev/what-i-learned-turning-government-property-tax-spreadsheets-into-one-county-dataset?utm_source=hashnode&utm_medium=feed)

I wanted a simple answer to a simple question: how much property tax does a typical homeowner pay in each U.S. county, and what are the actual local rates behind it? The data exists, but it's spread a

5 min read · [anders.hashnode.dev](https://anders.hashnode.dev/what-i-learned-turning-government-property-tax-spreadsheets-into-one-county-dataset?utm_source=hashnode&utm_medium=feed)

[Ben Barazandeh](https://hashnode.com/@dedicatedcrest) · [5d ago](https://hashnode.com/posts/building-a-trucking-company-list-from-fmcsa-open-data-soql-pitfalls-included/6aee0a5f7c41c1dcd4b1dd3c)

### [Building a Trucking Company List From FMCSA Open Data (SoQL Pitfalls Included)](https://dedicatedcrest.hashnode.dev/building-a-trucking-company-list-from-fmcsa-open-data-soql-pitfalls-included?utm_source=hashnode&utm_medium=feed)

This is a copy of my Dev.to post. Disclosure: I'm Ben, and I built the Apify Actor mentioned later in this post. I charge per result for it. The tutorial part uses only free public data. Freight insur

6 min read · [dedicatedcrest.hashnode.dev](https://dedicatedcrest.hashnode.dev/building-a-trucking-company-list-from-fmcsa-open-data-soql-pitfalls-included?utm_source=hashnode&utm_medium=feed)

[Ben Barazandeh](https://hashnode.com/@dedicatedcrest) · [5d ago](https://hashnode.com/posts/building-healthcare-provider-lists-from-the-free-npi-registry-and-getting-past-its-1-200-result-cap/6aee2d9e2f07e5accb6bc949)

### [Building Healthcare Provider Lists From the Free NPI Registry (and Getting Past Its 1,200-Result Cap)](https://dedicatedcrest.hashnode.dev/building-healthcare-provider-lists-from-the-free-npi-registry-and-getting-past-its-1-200-result-cap?utm_source=hashnode&utm_medium=feed)

This is a copy of my Dev.to post. Disclosure: I'm Ben, and I built the Apify Actor mentioned later in this post. I charge per result for it. Everything in the tutorial part works with free tools too.

6 min read · [dedicatedcrest.hashnode.dev](https://dedicatedcrest.hashnode.dev/building-healthcare-provider-lists-from-the-free-npi-registry-and-getting-past-its-1-200-result-cap?utm_source=hashnode&utm_medium=feed)

[MeetAndPlay](https://hashnode.com/@meetandplay) · [6d ago](https://hashnode.com/posts/building-a-nationwide-court-directory-for-mexico-from-openstreetmap/6aecc4a0ee33f8c59018729a)

### [Building a nationwide court directory for Mexico from OpenStreetMap](https://meetandplay.hashnode.dev/building-a-nationwide-court-directory-for-mexico-from-openstreetmap?utm_source=hashnode&utm_medium=feed)

We needed a list of every place to play padel, tennis and pickleball in Mexico. Nobody sells a good one, so we built it from OpenStreetMap, and learned that an open map is a mirror of the people who e

7 min read · [meetandplay.hashnode.dev](https://meetandplay.hashnode.dev/building-a-nationwide-court-directory-for-mexico-from-openstreetmap?utm_source=hashnode&utm_medium=feed)

[anders lee](https://hashnode.com/@anderslee) · [Oct 31](https://hashnode.com/posts/modeling-florida-s-amendment-3-property-tax-exemption-county-by-county-in-python/6ae5b01fe5216b0b3e70d59a)

### [Modeling Florida's Amendment 3 property tax exemption, county by county, in Python](https://anders.hashnode.dev/modeling-florida-s-amendment-3-property-tax-exemption-county-by-county-in-python?utm_source=hashnode&utm_medium=feed)

Florida votes on Amendment 3 on November 3, 2026. The ballot summary is one sentence long, but the question every homeowner actually has — what does this do to my bill? — depends on two numbers that d

5 min read · [anders.hashnode.dev](https://anders.hashnode.dev/modeling-florida-s-amendment-3-property-tax-exemption-county-by-county-in-python?utm_source=hashnode&utm_medium=feed)

[Wadifa Info](https://hashnode.com/@wadifainfo) · [Oct 30](https://hashnode.com/posts/morocco-s-eid-is-usually-a-day-after-saudi-arabia-s-26-years-of-official-dates/6ae4c1cf1021d7f252c56645)

### [Morocco's Eid is usually a day after Saudi Arabia's: 26 years of official dates](https://wadifainfo.hashnode.dev/morocco-s-eid-is-usually-a-day-after-saudi-arabia-s-26-years-of-official-dates?utm_source=hashnode&utm_medium=feed)

135 Ministry of Habous announcements since 2000: Morocco's Eid falls a day after Saudi Arabia two times out of three. Open CSV, CC BY 4.0.

3 min read · [wadifainfo.hashnode.dev](https://wadifainfo.hashnode.dev/morocco-s-eid-is-usually-a-day-after-saudi-arabia-s-26-years-of-official-dates?utm_source=hashnode&utm_medium=feed)

[anders lee](https://hashnode.com/@anderslee) · [Oct 30](https://hashnode.com/posts/a-180-page-reference-site-for-the-price-of-a-domain-astro-cloudflare-workers/6ae494f16f3679e53eb0abf6)

### [A 180-page reference site for the price of a domain (Astro + Cloudflare Workers)](https://anders.hashnode.dev/a-180-page-reference-site-for-the-price-of-a-domain-astro-cloudflare-workers?utm_source=hashnode&utm_medium=feed)

Checking every row of the Indian steel section tables (IS 808) with physics found typos that survived 30 years, and a 1964 value most weight charts st

4 min read · [anders.hashnode.dev](https://anders.hashnode.dev/a-180-page-reference-site-for-the-price-of-a-domain-astro-cloudflare-workers?utm_source=hashnode&utm_medium=feed)

[RETIO](https://hashnode.com/@retiodisplays) · [Oct 29](https://hashnode.com/posts/turning-a-trade-fair-calendar-csv-into-an-ics-feed-with-python/6ae32931c65d6ea997ffd8a3)

### [Turning a trade-fair calendar CSV into an .ics feed with Python](https://retiodisplays.hashnode.dev/turning-a-trade-fair-calendar-csv-into-an-ics-feed-with-python?utm_source=hashnode&utm_medium=feed)

Exhibitors often copy fair dates into their calendars by hand. If you start from a clean CSV with name, start\_date, end\_date and venue columns, a short script gives you a calendar file you can import

2 min read · [retiodisplays.hashnode.dev](https://retiodisplays.hashnode.dev/turning-a-trade-fair-calendar-csv-into-an-ics-feed-with-python?utm_source=hashnode&utm_medium=feed)

[OpenData Forge](https://hashnode.com/@opendata-forge) · [Oct 28](https://hashnode.com/posts/get-a-daily-list-of-new-eu-and-spanish-public-tenders-and-grants-without-writing-a-scraper/6ae1c5eb80049d021f4c164f)

### [Get a daily list of new EU and Spanish public tenders and grants, without writing a scraper](https://opendata-forge.hashnode.dev/get-a-daily-list-of-new-eu-and-spanish-public-tenders-and-grants-without-writing-a-scraper?utm_source=hashnode&utm_medium=feed)

TED, the EU Funding & Tenders Portal and Spain's BOE, queried in 5 minutes

2 min read · [opendata-forge.hashnode.dev](https://opendata-forge.hashnode.dev/get-a-daily-list-of-new-eu-and-spanish-public-tenders-and-grants-without-writing-a-scraper?utm_source=hashnode&utm_medium=feed)

[anders lee](https://hashnode.com/@anderslee) · [Oct 27](https://hashnode.com/posts/three-equations-that-found-misprints-in-a-national-steel-standard/6ae07bc63e9d4fb1056900f8)

### [Three equations that found misprints in a national steel standard](https://anders.hashnode.dev/three-equations-that-found-misprints-in-a-national-steel-standard?utm_source=hashnode&utm_medium=feed)

Checking every row of the Indian steel section tables (IS 808) with physics found typos that survived 30 years, and a 1964 value most charts quote.

5 min read · [anders.hashnode.dev](https://anders.hashnode.dev/three-equations-that-found-misprints-in-a-national-steel-standard?utm_source=hashnode&utm_medium=feed)
