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
typing_extensions
Backported and experimental type-hint features for Python, usable on older interpreters and ahead of the stdlib.
rayon
Simple, guaranteed data-race-free work-stealing parallelism for Rust — turn sequential iterators parallel by changing one call.
parking_lot
A faster, smaller drop-in replacement for Rust's standard library Mutex, RwLock, Condvar, and Once.
Flume
A safe, blazingly fast multi-producer, multi-consumer channel for Rust
auto-bind
Automatically bind class methods to their instance, including inherited ones
react-papaparse
React hooks and components wrapping PapaParse for fast in-browser CSV parsing
thread_local
Per-object thread-local storage for Rust, beyond the standard library's static thread_local! macro.
threads.js
A uniform spawn()/expose() API for offloading work to worker threads and web workers across Node.js, browsers, and Electron.
memoize
Speed up repeated function calls by caching results for identical input arguments.
makefun
Dynamically create Python functions with a proper, correct signature for decorators and generators.
Yappi
A fast tracing Python profiler that is multithreading, asyncio, and gevent aware.
Shuttle
A Rust library for testing concurrent code by controlling and randomizing thread scheduling to reliably surface race conditions.
func_timeout
Run any existing Python function with a hard timeout, plus stoppable-thread support
parking
A minimal Rust crate for thread parking and unparking that avoids the shared-token deadlock risk of std::thread::park.