vega/datalib

A parser and formatter for delimiter-separated values, such as CSV and TSV

Format numbers for human consumption.

A calculator for humanity’s peculiar conventions of time.

A JavaScript time formatter and parser inspired by strftime and strptime.

Simplified HTTP request client.

Make synchronous web requests

Manipulate TopoJSON and convert it to GeoJSON.

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale

Static analysis tool for JavaScript

simple, flexible, fun test framework

CompassQL visualization query language

datalib + a little more

A library for flexible graph reshaping

Library for inferring which type of data visualization can be rendered from a JSON dataset, and with which data field(s)

Visualization components for the web

A library for flexible graph reshaping

Library to validate geodata

Library to validate geodata

Enable Analytics in your Apps: Declarative Interactive Dashboards