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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React Hook Form
Performant, flexible React forms built on hooks with minimal re-renders and built-in validation.
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.
rayon
Simple, guaranteed data-race-free work-stealing parallelism for Rust — turn sequential iterators parallel by changing one call.
Formik
Formik: Build React Forms Without the Tears - Docs & Guide
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.
TanStack Form
Headless, type-safe form state management for React, Vue, Solid, Angular, and more
Bull
Redis-backed job queue for Node.js with retries, rate limiting, and scheduling
@rjsf/core
The React engine that turns a JSON Schema into a fully working form
busboy
A fast, streaming parser for multipart/form-data and URL-encoded HTTP request bodies in Node.js.
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.
vee-validate
Template-based form validation library for Vue.js with Composition API support