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 Virtual (React)
Headless React hook for virtualizing massive lists, grids, and tables at 60FPS.
Ajv
The fastest JSON Schema validator for Node.js and the browser, compiling schemas straight into executable validation code.
react-error-boundary
Reusable React error boundary component that catches rendering errors and shows a fallback UI.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
React Virtuoso
The most powerful virtual list component for React — render huge lists, grids, tables, and chat feeds effortlessly.
passport-jwt
A Passport.js strategy for authenticating requests using JSON Web Tokens
react-virtualized-auto-sizer
Measures a container's available width/height and passes it to a child component
React Virtualized
React components for efficiently rendering large, scrollable lists and tabular data.
GSAP
The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.
Virtua
A zero-config, ~3kB virtual list and grid component for React, Vue, Solid, and Svelte
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
json_repair
Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().
msgspec
A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.
msgraph-sdk-javascript
Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.