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
rayon
Simple, guaranteed data-race-free work-stealing parallelism for Rust — turn sequential iterators parallel by changing one call.
vercel_runtime
The official Rust runtime for writing and deploying serverless functions on Vercel.
parking_lot
A faster, smaller drop-in replacement for Rust's standard library Mutex, RwLock, Condvar, and Once.
libSQL Client (TypeScript)
The TypeScript/JavaScript driver for libSQL and Turso databases
@upstash/redis
HTTP/REST-based Redis client built for serverless and edge runtimes
unpdf
Extract text, links, images, and metadata from PDFs in Node.js, browsers, and serverless edge runtimes.
Vercel Blob
Fast, typed object storage client for uploading, listing, and serving files from Vercel Blob.
modal-client
Deploy Python functions to serverless GPU and CPU cloud infrastructure with a single decorator.
micro
Tiny, async/await-first library for building HTTP microservices in Node.js
qstash-js
Official TypeScript SDK for Upstash QStash, a serverless HTTP message queue with retries, scheduling, and durable workflows.
Pulumi
Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.
TiDB
A distributed, MySQL-compatible SQL database built for horizontal scale, strong consistency, and hybrid transactional/analytical workloads.
Flume
A safe, blazingly fast multi-producer, multi-consumer channel for Rust
PlanetScale Database
Fetch API-compatible MySQL/Vitess driver for PlanetScale, built for serverless and edge runtimes.