Simon Willison’s Weblog

How The Post is replacing Mapbox with open source solutions (via) Kevin Schaul describes the Washington Post’s emerging open source GIS stack: OpenMapTiles, Maputnik, PMTiles and Maplibre-gl-js.

Posted 17th February 2023 at 6:45 pm

Recent articles

How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025
A new way to extract detailed transcripts from Claude Code - 25th December 2025
Cooking with Claude - 23rd December 2025

maps 43 opensearch 3 openstreetmap 50 washington-post 9

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