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Protomaps @protomaps.com · 21/09/2026

cool use of PMTiles with non-geographic data!

Protomaps @protomaps.com · 06/04/2026

Mapbox GL JS v3.21.0 github.com/mapbox/mapbo... "Add first-class support for PMTiles via the new TileProvider API and an official plugin (``mapbox-gl-pmtiles-provider.js`) that loads on demand."

github.com

Release v3.21.0 · mapbox/mapbox-gl-js

Features and improvements ✨ Introduce the TileProvider API, a mechanism for extending GL JS with custom vector tile providers. Add first-class support for PMTiles via the new TileProvider API and ...

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Protomaps @protomaps.com · 13/03/2026

Using Firefox + PMTiles hosted on Github Pages seems to have been fixed finally github.com/protomaps/PM...

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Ben Welsh @palewi.re · 23/02/2026

🌎 𝗙𝗶𝗿𝘀𝘁 𝗣𝗠𝗧𝗶𝗹𝗲𝘀 𝗠𝗮𝗽, taught with Jon Schleuss, will show how to display a massive dataset on an interactive map using Protomaps and MapLibre. schedules.ire.org/nicar-2026/#/sess…

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CarbonPlan @carbonplan.org · 10/02/2026

Today we’re launching Open Climate Risk, a fully open option for U.S. building-level climate risk data. It’s unique because it allows you to see not only risk scores, starting with wildfire, but also the complete underlying dataset, methods, and codebase. carbonplan.org/research/cli...

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Michal Migurski @mike.teczno.com · 12/01/2026

Two things that have been keeping me busy lately: a slate of changes to @planscore.org for this year’s surprise midcycle redistricting environment, and a collection of contributions to @protomaps.com base maps including support for @overturemaps.bsky.social data. medium.com/@michalmigur...

medium.com

Weeknotes: 2026W01

Couple things I’ve been working on in the new year: a new national view for PlanScore and new Overture data support for Protomaps

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Mapterhorn @mapterhorn.com · 29/12/2025

Cyprus, Greenland, Faroe, Iceland, Japan, New Zealand, Norway, Svalbard, Portugal, Madeira, Spain, England, Scotland, Wales, and the United States are now included in Mapterhorn v0.0.7. Special thanks to Daniel Silk (NZ), Hidenori Fujimura (JP), and Christopher Varjas (US)!

mapterhorn.com

Mapterhorn

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Kyle Walker @kylewalker.bsky.social · 23/12/2025

If you work in geospatial, PMTiles is one of the technologies you need to know going into 2026. This past year, I wrote an R package to help you get started. Learn how here:

walker-data.com

Mapping 650,000+ Texas Census blocks with PMTiles – WALKER DATA

GIS, demographics, and data science consulting

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Protomaps @protomaps.com · 16/12/2025

people kept asking for pmtiles merge, now there is pmtiles merge, inevitably they will ask why it refuses to work for overlapping inputs, here is why merging tilesets is hard (blog post): protomaps.com/blog/pmtiles...

protomaps.com

New CLI feature: pmtiles merge

The pmtiles CLI now includes the highly requested merge command for combining multiple tilesets into a single archive. As an example use case: the Mapterhorn project distributes several archives: plan...

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Aaron Straup Cope @thisisaaronland.bsky.social · 16/12/2025

The @sfomuseum.bsky.social aviation collection has new aerial imagery / and we have published some experimental work about hosting and serving the entire planet OSM @protomaps.com pmtiles database, locally and offline, on a recycled ipad – millsfield.sfomuseum.org/blog/2025/12...

millsfield.sfomuseum.org

Map updates, December 2025 - Now with more PMTiles

In addition to 2025, we’ve also added new imagery from 1920, 1936 and 1961 all produced using the Allmaps Editor to georeference existing collections materials. I’ll talk more about some of the tools ...

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Protomaps @protomaps.com · 16/12/2025

new pmtiles CLI feature (the most requested one) pmtiles merge input input output docs.protomaps.com/pmtiles/cli#... download new version here: github.com/protomaps/go...

docs.protomaps.com

pmtiles CLI | Protomaps Docs

Technical Documentation for Protomaps

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Protomaps @protomaps.com · 03/12/2025

SFO Airport Museum's map viewer is powered by a raster pmtiles archive + leaflet millsfield.sfomuseum.org/map/#2025/fg/

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Moritz Stefaner / Truth & Beauty @moritzstefaner.bsky.social · 12/11/2025

Nice work and good to see @protomaps.com finding adoption in major news outlets!

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Patrick Stotz @patrickstotz.bsky.social · 12/11/2025

What would happen if the Amazon rainforest collapsed? Our look at deforestation and feedback loops. Also, the perfect occasion to make use of our new MapLibre/Protomaps scroller component. #maps #dataviz #ddj www.spiegel.de/wissenschaft...

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Kiri Carini @kiricarini.com · 10/10/2025

Flix Bus in US powered by @protomaps.com and @openstreetmap.bsky.social I love when apps clearly attribute their map source.

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Moritz Stefaner / Truth & Beauty @moritzstefaner.bsky.social · 10/10/2025

I'll also share some latest developments using @protomaps.com and @maplibre.org to self-host vector maps with custom layers, beautiful rendering and seamless zoom, in case you are interested in that type of thing 🗺️

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Protomaps @protomaps.com · 26/09/2025

The #protomaps project recently reached its goal of 50+ GitHub Sponsors! Becoming a sponsor allows commercial use of the hosted API: protomaps.com/api and supports the compute and storage for free daily planet builds: maps.protomaps.com/builds/ GitHub Sponsors: github.com/sponsors/pro...

github.com

Sponsor @protomaps on GitHub Sponsors

A free and open source map of the world, deployable as a single static file.

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Protomaps @protomaps.com · 03/09/2025

New blog post on @mapterhorn.com - terrain for web mapping protomaps.com/blog/mapterh...

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Kyle Walker @kylewalker.bsky.social · 02/09/2025

mapgl for #rstats supports @protomaps.com PMTiles as a data source in both @maplibre.org and @mapbox.com maps. If you need to visualize large datasets but struggle with hosting / infrastructure requirements, PMTiles may be exactly what you need.

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Protomaps @protomaps.com · 11/08/2025

Have you been waiting for "Protomaps Terrain"? It's arriving! @mapterhorn.com is an independent project created by @oliverwipfli.ch - a global elevation model built from multiple sources, distributed as a single PMTiles archive

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Kit Macleod @kitmacleod.bsky.social · 08/08/2025

Great to see protomaps go from strength to strength with handy open source viewer. www.youtube.com/watch?v=4Qn3...

youtube.com

[CNG 2025] Minimum Viable Cloud-Native Geo – Brandon Liu

YouTube video by Cloud-Native Geospatial Forum

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William B. Davis @willbdavis.bsky.social · 19/07/2025

A very manual @protomaps.com to print pipeline. Always excited to get something in print 🗞️ www.nytimes.com/interactive/...

Picture of a New York Times newspaper showing an article titled Potent Ingredients Combine for a Devastating Flash Flood Season.

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Protomaps @protomaps.com · 10/07/2025

Added a section to the PMTiles docs on fast uploading to @source.coop using only the pmtiles single binary CLI: docs.protomaps.com/pmtiles/clou... Easier to install than awscli or rclone - just bring your repo credentials!

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Dave Craig @unbalancedaudio.com · 09/07/2025

I'd like to give a big thanks to @protomaps.com for their fantastic work. Our open source Android port of Soundscape, the navigation and exploration app for visually impaired uses a protomaps server and it's reduced the cost to the supporting charities by a huge amount. github.com/Scottish-Tec...

github.com

GitHub - Scottish-Tech-Army/Soundscape-Android: This is the source for an Android version of the original iOS Soundscape app

This is the source for an Android version of the original iOS Soundscape app - Scottish-Tech-Army/Soundscape-Android

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Protomaps @protomaps.com · 09/07/2025

There's an ongoing issue preventing PMTiles hosted on GitHub Pages from being loaded correctly in Firefox Issue: github.com/protomaps/PM... Minimal Reproduction using raw fetch and plain files: github.com/bdon/ghpages... Work at @github.com or know someone who does?

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data.gouv.fr @datagouvfr.bsky.social · 23/06/2025

🗺️ La prévisualisation des fichiers PMTiles et GeoJSON est désormais disponible sur la plateforme ! #geo Et bientôt d’autres formats (flux WMS et WFS, CSV contenant des données géographiques) grâce aux communs numériques de cartes.gouv.fr (IGN). En savoir plus : www.data.gouv.fr/fr/posts/pre...

Nouveauté - la prévisualisation cartographique

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Robert Simmon @rsimmon.bsky.social · 19/06/2025

My first @protomaps.com Faults, earthquakes, Alquist-Priolo fault zones, landslides, custom shaded relief, and a base layer. Just the East Bay for now. 🗺️

Map of faults (burgundy), earthquakes (dark red), Alquist-Priolo earthquake fault zones (light red), landslides (orange and yellow), shaded relief, and a base layer in the East Bay (Berkeley & Oakland).

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Protomaps @protomaps.com · 20/05/2025

Possibly the first PMTiles appearance on the NYT front page?!

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𝙼𝚊𝚝𝚝𝚑𝚎𝚠 𝙷𝚊𝚗𝚜𝚘𝚗 @geoskeptic.bsky.social · 30/04/2025

Shane @carbonplan.org Comparing performance between single GeoParquet, quadkey partitioned GeoParquet, FlatGeobuf, and PMTiles #cngconference

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Protomaps @protomaps.com · 13/04/2025

New rewrite of pmtiles.io going online soon you can try it at beta.pmtiles.io feedback link in nav bar!

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Knight Center for Journalism in the Americas @knightcenterut.bsky.social · 12/04/2025

🗺️ Join our 1-hour workshop Understanding Protomaps with NYT’s John Keefe and learn how to build open-source, sustainable maps for your newsroom—no third-party tools needed. 💻 📅 April 22 | 💵 $40 🎟️ Register now: bit.ly/3RDRHKu

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Knight Center for Journalism in the Americas @knightcenterut.bsky.social · 09/04/2025

Join our 1-hour workshop on Understanding Protomaps and learn how to create sustainable, interactive maps for your newsroom! 💻 📅 When: April 22 | 5 p.m. ET / 4 p.m. CT 💵 Cost: $40 (includes lifetime access, certificate & tipsheet) 🎟️ Register now: bit.ly/3RDRHKu

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Dominik Weckmüller @domegis.bsky.social · 08/04/2025

Leaflet 0.8-dev from 10 years ago with a high performance @protomaps.com basemap canvas renderer from 2025? Yes it works 😅 So if you have legacy systems running where you don't have the resources to upgrade you can still replace costly raster tile APIs. github.com/do-me/leafle...

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Brandon ℒⅈ∪ @bdon.org · 06/04/2025

Enjoyed being on @jeremyjung.com's Software Sessions podcast! Topics: * Maps as a primitive of the web * The appeal of static sites * @protomaps.com vs. OSM * Dynamics + biz of FOSS vs. SaaS * Thinking about "finishing" projects Listen + read transcript at www.softwaresessions.com/episodes/pro...

softwaresessions.com

Brandon Liu on Protomaps

Using static maps to build sites that last

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William B. Davis @willbdavis.bsky.social · 06/04/2025

Little inset guy to show the eclipse extent in context

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Open Infrastructure Map @openinframap.org · 23/03/2025

The base map on openinframap.org has been updated and is now using the Protomaps basemap schema: docs.protomaps.com/basemaps/downloa… The style has also been extensively tweaked, and it looks a bit more colourful at lower zooms - thoughts/feedback welcome!

openinframap.org

Open Infrastructure Map

Open map of the world's electricity, telecoms, oil, and gas infrastructure, using data from OpenStreetMap.

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Kyle Walker @kylewalker.bsky.social · 26/03/2025

The latest release of the {mapgl} #rstats package supports @protomaps.com PMTiles in @maplibre.org! Try it out with the sample PMTiles dataset over MapLibre's new globe projection: Code: gist.github.com/walkerke/cf8...

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Protomaps @protomaps.com · 24/03/2025

try out a new Rasterio plugin for converting GeoTIFF to PMTiles: pip install rio-pmtiles github.com/protomaps/PM...

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Protomaps @protomaps.com · 21/03/2025

New example program for generating the minimum viable PMTiles, a single PNG: github.com/protomaps/go...

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Michael Corey @mikejcorey.bsky.social · 17/03/2025

My hot take: Humanities folks should learn about the many interactive mapping platforms that are NOT ArcGIS. I have seen way too many people claim that their maps would be something different if it weren't for the technical limits, but those limits DO NOT EXIST in the Javascript mapping world.

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Zsolt Ero @hyperknot.com · 18/03/2025

Dan Snow created a beautiful website, opentimes.org. I love the minimal design, how immediately functional it is, and it even uses OpenFreeMap! At the bottom of the About page, I found: "I was inspired by the OpenFreeMap project and wanted to use my own domain knowledge to do something similar."

opentimes.org

OpenTimes

Free multi-modal travel times between U.S. Census geographies

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William B. Davis @willbdavis.bsky.social · 16/03/2025

I also was able to quickly build a spanish version thanks to the #naturalearthdata powering the labelling in the basemap @protomaps.com @maplibre.org

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William B. Davis @willbdavis.bsky.social · 16/03/2025

Choosing colours for cloud cover percentage wasn't easy, but happy with how this monochrome version turned out for the recent lunar eclipse – direct labels seemed to help www.nytimes.com/2025/03/13/s...

Map showing cloud cover percentage across the U.S. during the lunar eclipse on March 14, 2025.

Map showing cloud cover percentage across the U.S. during the lunar eclipse on March 14, 2025 in Spanish.

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Jeremia Kimelman @jeremiak.com · 14/03/2025

@maplibre.org and @protomaps.com (plus their supporting ecosystem of tools) are cool as hell and an amazing toolset for building maps in a newsroom. If you haven't played around with 'em yet, you should!

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Pinball Map @pinballmap.com · 27/02/2025

If anyone is interested in pmtiles (#protomaps) self-hosted map tile cost comparisons between Cloudflare R2 and AWS S3 and AWS S3 + Cloudfront, here is what we experienced: R2: $1.67/mo S3: $4.87/mo S3 + Cloudfront: $5.49 (but we also added 3 addt'l 5-gb buckets)

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