gaomeng1900/mapshaper-simplify

the complete solution for node.js command-line programs

Convert character encodings in pure javascript.

browser-side require() the node way

csv test data for writing robust csv parsers

Improved deep equality testing for Node.js and the browser.

simple, flexible, fun test framework

quote and parse shell commands

JavaScript's functional programming helper library.

Sequential, diverging and categorical color schemes.

An incredibly fast JavaScript library for Delaunay triangulation of 2D points

Fast static spatial index for rectangles

A very fast static 2D index for points based on kd-tree.

A JavaScript port of the Proj.4 cartographic projections library

Now stdin and stdout are files.

Make synchronous web requests

The smallest and simplest JavaScript priority queue

Canada neighbourhood data with crawler

Node web services and example front end to convert a collection of ESRI shapefiles into a complete administrative geography; e.g USA, states, counties, census tracts, census block groups into TopoJSON tiles optimised for a series to map zoomlevels. Typically zoomlevels 6-11 are supported. The web services contain a very simple tile server for testing; the user then downloads the tiles for deploying a OSM 'standard' style compliant map server

Pre-built TopoJSON from Ecuador

Static geo Atlas

Pre-built TopoJSON from Latin America