Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

92Health
Library npm

AI SDK

Provider-agnostic TypeScript toolkit for building AI apps and agents with any LLM.

26,733
Apache 2.0
Used by 105
93Health
Library PyPI

Pydantic

Data validation and settings management using Python type hints, backed by a Rust core.

28,772
MIT
Used by 102
60Health
Library npm

Winston

A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.

24,520
MIT
Used by 50
44Health
Library npm

electron-devtools-installer

Installs Chrome DevTools extensions like Redux and React DevTools directly into Electron apps.

1,222
MIT
Used by 10
78Health
Library npm

Orama

A dependency-free full-text, vector, and hybrid search engine that runs entirely in JavaScript.

10,550
Apache 2.0
Used by 9
37Health
Library npm

fastest-levenshtein

The fastest JavaScript/TypeScript implementation of Levenshtein edit distance

774
MIT
Used by 9
88Health
Framework npm

Mastra Core

The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.

28,036
Apache 2.0
Used by 8
88Health
Library npm

Remeda

A TypeScript-first utility library with data-first and data-last function variants, lazy pipe evaluation, and fully typed transformations.

5,427
MIT
Used by 8
86Health
Library npm

turf

The complete, modular geospatial analysis engine for JavaScript and TypeScript, bundling every Turf.js module under one install.

10,482
MIT
Used by 5
98Health
Tool npm

npm

The default command-line package manager for Node.js and the JavaScript ecosystem

10,114
Used by 5
53Health
SDK PyPI

github3.py

A comprehensive, actively developed Python wrapper around GitHub's REST API v3.

1,257
BSD 3
Used by 3
46Health
Library Cargo

whatlang

Fast, lightweight natural language and script detection for Rust

1,087
MIT
Used by 3
49Health
Library PyPI

prisma-client-py

Auto-generated, fully type-safe Python database client built on Prisma's schema and Rust query engine.

2,095
Apache 2.0
Used by 2
79Health
Library npm

GraphQL Inspector Core

The programmatic engine behind GraphQL Inspector for schema diffing, breaking-change detection, and document validation.

1,767
MIT
Used by 2
74Health
Library Go

xstrings

A zero-dependency Go package that ports common string functions from Python, Ruby, PHP, and Perl into idiomatic, UTF-8-safe Go.

1,412
MIT
Used by 2
48Health
Library npm

leven

Fast, dependency-free Levenshtein distance calculation for comparing and matching strings in JavaScript.

734
MIT
Used by 2
35Health
Library npm

js-levenshtein

The fastest JavaScript implementation of the Levenshtein edit-distance algorithm, optimized for speed and low memory use.

510
MIT
Used by 2
79Health
Library npm

Supercluster

A blazing-fast geospatial point-clustering library for grouping map markers by zoom level.

2,372
Other
Used by 1
50Health
Library npm

@antv/layout

A collection of graph layout algorithms that turn node-and-edge data into renderable coordinates.

276
MIT
Used by 1
30Health
Library npm

@algorithm.ts/lcs

Three interchangeable algorithms for finding the longest common subsequence, from classic DP to linear-space Myers diff.

117
MIT
Used by 1

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