Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Leaflet
The leading lightweight open-source JavaScript library for mobile-friendly interactive maps.
node-xml2js
XML-to-JavaScript-object parser and builder for Node.js
quick-xml
A high-performance, near-zero-copy XML pull parser and writer for Rust
etree
A lightweight, pure Go library for parsing, querying, and modifying XML with an element-tree model and XPath-like path queries.
xml-js
Converts XML text to JavaScript objects or JSON and back, preserving element order.
OpenLayers
A high-performance JavaScript library for building interactive web maps with vector data, tiled imagery, and WebGL rendering.
geopy
A Python client library that geocodes addresses and reverse-geocodes coordinates through a single consistent API across 30+ geocoding web services.
Protomaps Basemaps
Generate MapLibre GL style specs and cartographic layers for Protomaps PMTiles vector tiles.
deck.gl
GPU-powered WebGL2/WebGPU framework for rendering large-scale geospatial and abstract data visualizations
Supercluster
A blazing-fast geospatial point-clustering library for grouping map markers by zoom level.
ol-ext
A large, community-maintained collection of controls, interactions, filters, and styles that extend OpenLayers with map UI and cartographic features it doesn't ship out of the box.
amcharts4
A JavaScript and TypeScript charting library for building animated, interactive charts, graphs, and geographic maps.
simple-xml-to-json
A tiny, dependency-free library that transpiles XML into JSON through an AST.