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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Autoprefixer
Parses your CSS and automatically adds vendor prefixes using real-world browser usage data from Can I Use.
concurrently
Run multiple terminal commands in parallel, with color-coded output and cross-platform support.
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.
postcss-import
A PostCSS plugin that inlines @import rules, merging split CSS files into one stylesheet before other plugins run.
cssnano
A modular CSS minifier built on the PostCSS ecosystem, composing dozens of swappable optimization plugins into safe, lite, and advanced presets.
postcss-preset-env
Converts tomorrow's CSS syntax into code today's browsers understand by auto-selecting PostCSS polyfill plugins from your browserslist targets.
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.
postcss-simple-vars
A PostCSS plugin that brings Sass-like $variables to CSS values, selectors, at-rules, and comments.
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.
postcss-flexbugs-fixes
A PostCSS plugin that automatically fixes common cross-browser Flexbox layout bugs.