The server and client used in transit map simulations like swisstrains.ch
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A package to draw maps in javascript
GeoJSON-emitting WKT parser for browsers and node
Voronoi / Delaunay tessellations on the sphere
Collection of plugins for using d3.js with Leaflet
Parse NMEA 0183 GPS/GNSS sentences, streams, and navigation state in Node.js or browsers
GEO 医生：一句话装进 AI 助手，查清豆包、DeepSeek、ChatGPT、Claude 为什么不推荐你，改资料、写内容、再复查。开源中英双语 GEO（生成式引擎优化）skill。
Library to parse and process the opening_hours tag from OpenStreetMap data
Converts GeoJSON to SVG string given SVG view port size and maps extent.
Merge multiple GeoJSON files into one FeatureCollection.
A geographic toolkit for dealing with geometry, geography, formats, and building geodatabases
Morphing geojson polygons into rectangles
Routing for Meteor.js apps
A userscript that adds several useful features to osm.org
Convert GeoJSON to KML.
:satellite: Render Preact components in (a) SPACE :milky_way: :stars:
apply the ramer-douglas-peucker line simplification to geojson features or feature collections in JS or on the CLI
GUI interface for creating, editing, exporting of static GTFS data for a public transit authority
Make queries to OpenStreetMap's overpass API and output as GeoJSON
Core application for IBI's transit data tools suite.
Analyse GTFS Schedule data by importing it into a PostgreSQL database.
Visualizing GTFS data.
A web-based GTFS editing framework. THIS PROJECT IS DEPRECATED. See https://github.com/ibi-group/datatools-ui for current version.