Protomaps
@protomaps.com
The world in a file. Open source! more: https://protomaps.com GitHub: https://github.com/protomaps posts by @bdon.org
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."
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 ...
github.com
Using Firefox + PMTiles hosted on Github Pages seems to have been fixed finally github.com/protomaps/PM...
🌎 𝗙𝗶𝗿𝘀𝘁 𝗣𝗠𝗧𝗶𝗹𝗲𝘀 𝗠𝗮𝗽, taught with Jon Schleuss, will show how to display a massive dataset on an interactive map using Protomaps and MapLibre. https://schedules.ire.org/nicar-2026/#/session/1303
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...
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...
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
medium.com
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
mapterhorn.com
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:
Mapping 650,000+ Texas Census blocks with PMTiles – WALKER DATA
GIS, demographics, and data science consulting
walker-data.com
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...
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...
protomaps.com
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...
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 ...
millsfield.sfomuseum.org
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...
pmtiles CLI | Protomaps Docs
Technical Documentation for Protomaps
docs.protomaps.com
SFO Airport Museum's map viewer is powered by a raster pmtiles archive + leaflet millsfield.sfomuseum.org/map/#2025/fg/
Nice work and good to see @protomaps.com finding adoption in major news outlets!
Patrick Stotz@patrickstotz.bsky.social · 9mo agoWhat 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...
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...
Flix Bus in US powered by @protomaps.com and @openstreetmap.bsky.social I love when apps clearly attribute their map source.
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 🗺️
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...
Sponsor @protomaps on GitHub Sponsors
A free and open source map of the world, deployable as a single static file.
github.com
New blog post on @mapterhorn.com - terrain for web mapping protomaps.com/blog/mapterh...
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.
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
Mapterhorn@mapterhorn.com · 12mo agoMapterhorn v0.0.1 has been released. It is an aggregation of the global Copernicus GLO-30 low-resolution digital elevation model with the Swiss swissALTI3D high-resolution model. mapterhorn.com
Great to see protomaps go from strength to strength with handy open source viewer. www.youtube.com/watch?v=4Qn3...
[CNG 2025] Minimum Viable Cloud-Native Geo – Brandon Liu
YouTube video by Cloud-Native Geospatial Forum
youtube.com
Protomaps@protomaps.com · last yr.
A very manual @protomaps.com to print pipeline. Always excited to get something in print 🗞️ www.nytimes.com/interactive/...
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!
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 - 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
github.com
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?
🗺️ 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...
My first @protomaps.com Faults, earthquakes, Alquist-Priolo fault zones, landslides, custom shaded relief, and a base layer. Just the East Bay for now. 🗺️
