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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PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
Yjs
A high-performance CRDT that exposes shared data types for building conflict-free, real-time collaborative applications.
Hocuspocus
A plug-and-play Yjs WebSocket backend for real-time collaborative editing
@blocknote/core
A Notion-style, block-based rich text editor engine for the web, built on ProseMirror and Tiptap.
react-papaparse
React hooks and components wrapping PapaParse for fast in-browser CSV parsing
fast-csv
Streaming CSV parser and formatter for Node.js with zero runtime dependencies and full TypeScript support.
CleverCSV
A drop-in replacement for Python's csv module that detects the dialect of messy, real-world CSV files with far higher accuracy than the standard library.
react-csv-reader
A lightweight React component that turns CSV file uploads into parsed data with zero manual FileReader wiring.