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# MapLibre

> MapLibre is an open-source project and community developing mapping libraries and tools that enable developers to build customizable interactive maps for web, mobile, and desktop applications.

MapLibre originated in 2020 as a community-driven fork of Mapbox GL JS after Mapbox changed the license of its mapping SDKs.

## Projects & Documentation

- [MapLibre GL JS Docs](https://maplibre.org/maplibre-gl-js/docs/): API reference and tutorials for the TypeScript/WebGL library for interactive vector maps on the web.
- [MapLibre Native Docs](https://maplibre.org/projects/native/): Guides for the C++ library rendering maps on iOS, Android, macOS, Linux, and Windows.
- [Style Specification](https://maplibre.org/maplibre-style-spec/): Complete JSON-based document format for describing map styles.
- [Martin](https://maplibre.org/martin/): Documentation for the Rust-based tile server generating Mapbox Vector Tiles from PostGIS, PMTiles, and MBTiles.
- [MapLibre Tile Specification (MLT)](https://github.com/maplibre/maplibre-tile-spec): A next-generation vector tile format optimized for modern GPU hardware.

## Main Repositories

- MapLibre GitHub Organization: https://github.com/maplibre
- [MapLibre GL JS GitHub](https://github.com/maplibre/maplibre-gl-js)
- [MapLibre Native GitHub](https://github.com/maplibre/maplibre-native)
- [Martin GitHub](https://github.com/maplibre/martin)

## Key Technical Facts

- MapLibre GL JS is a TypeScript library utilizing WebGL/GPU acceleration to render vector and raster tiles in the browser
- MapLibre Native is a C++ library supporting multiple platforms, including Qt
- Martin is written in Rust and can dynamically generate Mapbox Vector Tiles from PostGIS queries or serve tiles from PMTiles and MBTiles archives
- The MapLibre ecosystem is a community-driven, open-source fork originating from Mapbox GL JS 1.x
- All code, governance documents, and financial records are publicly accessible under the MapLibre organization

## Ecosystem

MapLibre software is commonly used with:

- OpenStreetMap data
- PostGIS spatial databases
- vector tiles (MLT or MVT format)
- PMTiles archives
- MBTiles tile archives
- GPU-accelerated WebGL map rendering

## Funding

MapLibre development is funded through corporate sponsorships and grants.
Sponsors contribute financially to support the development and maintenance of core projects such as MapLibre GL JS, MapLibre Native, and Martin.

Financial transparency and sponsorship information:
https://maplibre.org/sponsors/

## Organizational Links

- [Home](https://maplibre.org/): Project overview.
- [About](https://maplibre.org/about/): Organization mission, charter, governance, and financial reports.
- [Sponsors](https://maplibre.org/sponsors/): Development fund allocation and corporate sponsors.
- [Roadmap](https://maplibre.org/roadmap/): Current and planned work across projects.