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.
react-error-boundary
Reusable React error boundary component that catches rendering errors and shows a fallback UI.
React Virtuoso
The most powerful virtual list component for React — render huge lists, grids, tables, and chat feeds effortlessly.
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.
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.
officeParser
Parse Office documents into a rich AST and generate Markdown, HTML, PDF, or RAG chunks
schema-dts
TypeScript type definitions for Schema.org's JSON-LD vocabulary, giving structured data literals full autocomplete and compile-time validation.
masonic
A virtualized masonry grid for React built on composable hooks and an O(log n) interval-tree positioner.
baml
The Python runtime for BAML — a typed prompt language that compiles LLM calls into type-safe, testable client code.
Llama Cloud Services
Python SDK for LlamaCloud's document parsing, extraction, and managed index services
LlamaParse
GenAI-native document parser that turns complex files into LLM-ready text and Markdown.
react-vtree
A lightweight React library for rendering and windowing arbitrarily large tree structures, built on top of react-window.
Partial JSON Parser
A zero-dependency Python library that completes and parses incomplete JSON streamed token-by-token from LLMs.