The missing standard library for TypeScript, for writing production-grade software.

Provides tools for iterating over and manipulating GeoJSON objects.

Easing functions for smooth animation.

Collection of utility function for use with Draftjs.

Calculates an index based the average distances between points in the dataset, thereby providing inference as to whether the data is clustered, dispersed, or randomly distributed within the study area.

Canvas and Image utilities.

TypeScript definitions for google.accounts

Create and parse HTTP Content-Type header

Parse Vega specifications to runtime dataflows.

help secure Express/Connect apps with various HTTP headers

An efficient queue capable of managing thousands of concurrent animations.

Measures patterns of attribute values associated with features. Reveals whether similar values tend to occur near each other, or whether high or low values are interspersed

JavaScript utilities for Vega.

Infer the content-type of a request.

Scales and color schemes for visual encoding.

Hono middleware to serve beautiful, interactive API documentation from OpenAPI/Swagger documents.

What is the type of this builtin JS value?

Type safe dependency injection framework for TypeScript

Improved typeof detection for node.js and the browser.

Precise, AST-aware find-references / impact analysis as an MCP server — tree-sitter, not grep, so it ignores comments and strings and classifies each hit (definition / call / import / type / reference).