Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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TanStack Query
Hooks-based async state management for fetching, caching, and syncing server data in React.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
Chart.js
Simple, flexible JavaScript charting for designers and developers
PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
Faker
Generate massive amounts of realistic fake data for testing, seeding, and mocking in JavaScript and TypeScript.
SWR
React Hooks for data fetching with built-in caching, revalidation, and real-time updates
gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
Faker
Generate realistic fake data for seeding, testing, and anonymizing PHP apps
Mongoose
Schema-based MongoDB object modeling for Node.js, with built-in validation, middleware hooks, and typed models.
electron-store
Simple, encrypted JSON persistence for your Electron app — save user settings, window state, and cache across the main and renderer processes.
pretty-bytes
Convert byte counts into human-readable strings like 1337 → 1.34 kB, with binary, bit, and locale-aware formatting options.
conf
Simple, schema-validated config file persistence for Node.js apps and CLI tools
partysocket
A drop-in, auto-reconnecting WebSocket client with message buffering and React hooks
Orama
A dependency-free full-text, vector, and hybrid search engine that runs entirely in JavaScript.
fastest-levenshtein
The fastest JavaScript/TypeScript implementation of Levenshtein edit distance
Remeda
A TypeScript-first utility library with data-first and data-last function variants, lazy pipe evaluation, and fully typed transformations.
immutable-js
Persistent immutable List, Map, Set, and Stack collections for JavaScript with structural sharing.
Gofakeit
A zero-dependency Go library with 310+ functions for generating random fake data, from single values to fully populated structs.
turf
The complete, modular geospatial analysis engine for JavaScript and TypeScript, bundling every Turf.js module under one install.
configstore
Easily load and persist config without having to think about where and how it's stored on disk.
Plotly.js
Open-source JavaScript charting library for interactive, publication-quality graphs and dashboards
emojibase
Lightweight, spec-compliant emoji datasets, regex patterns, and utility functions
LlamaIndex
The leading data framework for building LLM applications over your own data.
Apache Airflow
Programmatically author, schedule, and monitor data workflows as Python-defined DAGs.
