Leaflet 2.0 alpha is out. It's big upgrade to the popular mapping library that introduces breaking changes.

latlong.blog/2025/05/leaf...

The Dark Art of Vector Map Tiling If you’ve tried making map tiles, you probably feel a lot like Ron. Introducing Tippecanoe GUI for all of us map making muggles!

In the accompanying blog post, Cameron also shares a whole lot of practical tips to make producing tiles with Tippecanoe a little less painful.

medium.com/fika-blog/th...

Tippecanoe Command Generator An app to help generate map tiling settings using tippecanoe and other open source tools.

Tippecanoe Command Generator — A neat user interface to compose commands to create map tiles with Tippecanoe

maptiling.streamlit.app/Tippecanoe_C...

Aww Kiri! ❤️

Making an AI-Generated Web Map with Lovable — Lat × Long The SparkGeo team has tested Lovable and asked it to create a simple interactive map showing Canadian cities and their population.

The SparkGeo team has tested AI coding assistant Lovable and asked it to create a simple interactive map showing Canadian cities and their population—with mixed results.

latlong.blog/2025/04/maki...

The good folks at Heigit have released ohsome-planet, a handy tool to turn OpenStreetMap history data from PBF into GeoParquet files.

giscienceblog.uni-heidelberg.de/2025/03/25/f...

Are you on the @foss4g.org mailing list? If not, you just missed the most important email of the year! Registration is now open. Also the call for papers, community vote for the logo, the travel grant program and... we're excited!

Check the mailout below, and subscribe!

mailchi.mp/foss4g/foss4...

Apple Is Showing Indigenous Land on Maps — Lat × Long Maps shows the borders of protected land but no traditional place names.

Apple Is Showing Indigenous Land on Maps

latlong.blog/2025/03/appl...

I love a good deep dive into often-overlooked map-related challenges. Here Hanbyul Jo wonders why Mapbox chose to vertically display labels in Hangul, whether the choice improves legibility, and since when Koreans horizontally read and write Hangul instead of vertically.

hanbyul.xyz/words/vertic...

Five Geospatial Projects Amongst Mentoring Organisations for Google Summer of Code 2024 — Lat × Long OSGeo, 52North, OpenStreetMap, Organic Maps offer internships this year.

Five geospatial projects are amongst the mentoring organisations for Google Summer of Code 2024. OSGeo, 52North, OpenStreetMap, Organic Maps and the Open Transit Software Foundation offer internships this year.

Transitioning Protomaps from Open Core to Open Source The Protomaps Project has gained several new repositories in the past year, including the serverless implementations for AWS and Cloudflare, and a new basemaps repository, which generates a full plane...

Protomaps Transitions to New Funding Model. Access to a commercial API and professional services can be purchased through GitHub sponsorships.

GeoCompas: Acceleration Services for your next AI project — Development Seed The DevSeed Data Team spins out into their own company.

Development Seed’s data team in Ayacucho, Peru has spun to form GeoCompas. The new company focusses on OpenStreetMap editing, data labelling and annotation for AI projects, but also development of data processing pipelines and web services.

An AI-driven approach to generating audio descriptions for interactive web maps.

sparkgeo.com/blog/map-to-...

Meeting User Needs in Geospatial Applications Explore the transformative impact of user-centric design within the geospatial domain.

Element84 are hosting a three-hour workshop on user-centred design with a specific focus on geospatial applications. The workshop is scheduled for 19 March. Tickets are 75USD.

Placemark's code is now open source, available on GitHub under the MIT license.

macwright.com/2024/01/19/p...

Serve Protomaps Tiles with NodeJS | Craig Kochis Serve Protomaps Tiles with NodeJS

You can serve PMTiles directly from a cloud object storage but sometimes, you want to control who accesses data and how often—and you need a server for that. Craig Kochis wrote examples of how to serve PMTiles using a NodeJS server application.

ckochis.com/serve-protom...

I tried to estimate the cost of hosting Protomaps on AWS before; now there's a handy tool for that.

Webinar: Cloud-Native Geospatial - Pacific Perspectives In this webinar, moderated by Geospatial Data Scientist, Wei Ji Leong from Development Seed, we explore applications of cloud-native geospatial in the Pacifi...

Webinar on cloud-native technologies and their applications in the pacific region

GitHub - stac-api-extensions/collection-transaction: The Collection Transaction Extension supports t... The Collection Transaction Extension supports the creation, editing, and deleting of Collections through POST, PUT, PATCH, and DELETE requests. - GitHub - stac-api-extensions/collection-transactio...

A new STAC extension proposes an API for collection management.

Brian Timoney contemplates why talented GIS professionals seek employment in other areas, tracing the problem to broad scoped roles and lower pay compared to similar roles in other industries.

mapbrief.com/2023/12/06/w...

PostGIS Day 2023 Join us for a full day of talks about open-source Geospatial applications and tools. Presented live on November 16th, 2023. PostGIS Day is part of Geography ...

The recordings from this year’s PostGIS day are available on Youtube; just in time so you can add them to your festive tech playlist.

Welcome — SatSummit 2024 SatSummit convenes leaders in the satellite industry and experts in global development for 2 days of presentations and in-depth conversations on solving the world's most critical development challenge...

The very popular SatSummit is back next year on the 16 and 17 May, as always in Washington DC.

Placemark is winding down Thanks for joining me on this exploration - it's time to call this one an ending.

Sad news from Placemark today. The platform is shutting down in January, and the code will be released as open-source software:

Introducing React components for the Maps JavaScript API | Google Cloud Blog

React components for building Google Maps user interfaces. If you work in React and use the Google Maps JavaScript API, this library will save you a couple lines.

Estimating the Cost of Hosting a Global PMTiles Dataset — Lat × Long Using PMTiles, hosting and serving a global map dataset is significantly cheaper than comparable offers from commercial map data providers.

Estimating the Cost of Hosting a Global PMTiles Dataset

Overture's Global Entity Reference System Hopes to Improve Data Interoperability. It's Not There Yet... GERS hopes to increase data interoperability, but it's not useful outside of Overture data.

Overture's Global Entity Reference System Hopes to Improve Data Interoperability. It's Not There Yet.

FOSS4G SotM Oceania 2023 The FOSS4G SotM Oceania Conference 2023 was held in Auckland, New Zealand in from the 16th - 20th of October 2023

The recordings from FOSS4G Oceania, which took place just last week in Auckland, are already up on Youtube.

State of the Map 2024 is scheduled for 6 to 8 September 2024 in Nairobi, Kenya.

Launching Lonboard — Development Seed Fast, Interactive Geospatial Data Visualization from Python.

Impressive: Lonboard renders three million points in under three seconds.

The most comprehensive reference on cloud-optimised geospatial data formats so far. The guide includes detailed descriptions of increasingly popular data formats. It's an essential bookmark if you deal with geospatial data on the Web in any form.

guide.cloudnativegeo.org