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@Open-S2

Open S2

Open source 21st century cartographic tools.

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Open S2

Homepage  •  Documentation  •  Discord  •  Roadmap

 

Our Mission

Open-source digital GIS tools that are easy to use, cross-compatible with browsers, operating systems, and embedded platforms, while prioritizing accessibility by bridging the gap between data and its application.

 

This Project is dedicated to maintaining 3 core components split into modules:

Data Specifications

ProjectRoleLanguagesDescription
open-vector-tileauthorTypescript & RustA new Vector Tile Spec that is backwards compatible withmapbox-vector-tile.
s2-pmtilesauthorTypescript & RustThis library reads/writes PMTiles V3.0 as well as S2PMTiles V1.0
s2-tilejsonauthorTypescript & RustTileJSON is a mostlybackwards-compatible open standard for representing map metadata.
s2jsonauthorTypescript & RustS2JSON is a new standard build ontop ofGeoJSON including 3D and S2 Geometry.

Mapping Engine tools

ProjectRoleLanguagesDescription
s2maps-gpuauthorTypescript & RustHigh-performance, and GPU-accelerated map engine for rendering large-scale, interactive maps.
earclipauthorTypescript & RustFast and small polygon triangulation library with builtin tesselation.
unicode-shaper-rsauthorRustZero dep,no_std, light & fast library to prepare complex unicode patters for rendering.
style-engine (TBD)authorTypescript & RustA styling engine that usesgis-tools to build mapping data that can be used bys2maps-gpu.

Data Parsing/Tooling/Creation

ProjectRoleLanguagesDescription
gis-toolsauthorTypescript & RustA collection of geospatial tools primarily designed for WGS84, Web Mercator, and S2.
glyph-genauthorTypescript & C++Build MSDF glyphs from fonts and icons sets to be rendered by a GPU.
pbfauthorTypescript & RustZero dependency,no_std, lightweight and fast library for protobuffers.
gis-pipelines (TBD)authorTypescript & RustA collection of scripts to scrape, parse, and build GIS data from a variety of online sources.


Maps showcase

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  1. s2maps-gpus2maps-gpuPublic

    TypeScript 9

  2. gis-toolsgis-toolsPublic

    A collection of geospatial tools primarily designed for WGS84, Web Mercator, and S2.

    TypeScript 3

  3. earclipearclipPublic

    Triangle mesh designed to be fast, efficient, and sphere capable.

    Rust 8 1

  4. glyph-genglyph-genPublic

    Build glyph data using various formats and storage methods

    C 2

  5. s2-pmtiless2-pmtilesPublic

    This library reads/writes PMTiles V3.0 as well as S2PMTiles V1.0

    Rust 2

  6. open-vector-tileopen-vector-tilePublic

    This library reads/writes Open Vector Tiles

    TypeScript 7 1

Repositories

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Showing 10 of 12 repositories
  • open-vector-tile Public

    This library reads/writes Open Vector Tiles

    Open-S2/open-vector-tile’s past year of commit activity
    TypeScript 7 1 0 0 UpdatedMar 30, 2025
  • s2-tilejson Public

    JSON format for describing s2 map tilesets.

    Open-S2/s2-tilejson’s past year of commit activity
    Rust 10 0 0 UpdatedMar 30, 2025
  • s2json Public

    S2JSON is a specification for encoding a variety of geographic data structures

    Open-S2/s2json’s past year of commit activity
    Rust 10 0 0 UpdatedMar 29, 2025
  • earclip Public

    Triangle mesh designed to be fast, efficient, and sphere capable.

    Open-S2/earclip’s past year of commit activity
    Rust 8 1 0 0 UpdatedMar 28, 2025
  • pbf Public

    Lightweight no_std library for the protobuffer protocol

    Open-S2/pbf’s past year of commit activity
    Rust 20 0 0 UpdatedMar 28, 2025
  • gis-tools Public

    A collection of geospatial tools primarily designed for WGS84, Web Mercator, and S2.

    Open-S2/gis-tools’s past year of commit activity
    TypeScript 30 0 0 UpdatedMar 17, 2025
  • unicode-shaper Public

    Shape unicode text so that renderers like WebGL and WebGPU can properly display the glyphs.

    Open-S2/unicode-shaper’s past year of commit activity
    Rust 10 0 0 UpdatedMar 15, 2025
  • .github Public

    Profile

    Open-S2/.github’s past year of commit activity
    00 1 0 UpdatedJan 17, 2025
  • s2maps-gpu Public
    Open-S2/s2maps-gpu’s past year of commit activity
    TypeScript 90 1 0 UpdatedOct 4, 2024
  • s2-pmtiles Public

    This library reads/writes PMTiles V3.0 as well as S2PMTiles V1.0

    Open-S2/s2-pmtiles’s past year of commit activity
    Rust 20 0 0 UpdatedOct 3, 2024

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