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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concurrently
Run multiple terminal commands in parallel, with color-coded output and cross-platform support.
React CodeMirror
A fully-typed React component and hook for embedding the CodeMirror 6 code editor with themes and language extensions.
npm-run-all
A cross-platform CLI that runs multiple npm-scripts in parallel or in sequence, replacing fragile shell operators like && with Windows-safe orchestration.
tqdm
A fast, extensible progress bar for Python loops and CLI pipelines, with negligible overhead.
rayon
Simple, guaranteed data-race-free work-stealing parallelism for Rust — turn sequential iterators parallel by changing one call.
p-map
Map over promises concurrently, with controlled concurrency, backpressure, abort signals, and error aggregation.
serial_test
Attribute macros that serialize or parallelize Rust tests via named locks.
Bull
Redis-backed job queue for Node.js with retries, rate limiting, and scheduling
p-retry
Retry a promise-returning or async function with exponential backoff and fine-grained retry control.
start-server-and-test
Starts your dev server, waits for it to respond, runs your test command, then shuts the server down automatically.
LightGBM
A fast, distributed, high-performance gradient boosting framework based on decision tree algorithms, used for ranking, classification, and other machine learning tasks.
loadjs
A tiny (under 1KB) async script and CSS loader for modern browsers with dependency management.
threads.js
A uniform spawn()/expose() API for offloading work to worker threads and web workers across Node.js, browsers, and Electron.
p-props
Run promises concurrently and collect the results by key, for both Object and Map inputs.