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Map Projects

  • PMTiles - serverless, cloud-optimized archives for millions of map tiles
  • protomaps.js - simplicity-focused vector map renderer that works with Leaflet
  • OSM Express - near-lossless, high performance transactional database for OpenStreetMap with S2-based spatial index
  • Tippecanoe - fork of original Tippecanoe for building vector tilesets

Stuff i'm interested in...

For Fun Projects

  • hanzi2reading - flexible serialization and conversion for Standard Chinese with multiple dictionaries and transcription systems
  • - 1980s street view of NYC


  1. Lightweight vector map rendering, labeling and symbology for the web

    TypeScript 322 19

  2. Fast database file format for OpenStreetMap

    C++ 140 7

  3. Cloud-optimized, single-file map tile archives - python+js

    TypeScript 180 11

  4. Public

    street view of 1980s New York City

    JavaScript 50 3

  5. Read/write library & concurrent caching proxy for PMTiles archives

    Go 18 3

  6. “tippecanoe 2” fork - build big vector tilesets of thematic data

    C++ 68

1,052 contributions in the last year

May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Mon Wed Fri

Contribution activity

May 2022

Opened 2 pull requests in 1 repository
protomaps/PMTiles 1 merged 1 closed

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