Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Tags2
Sort:Used by Most Apps
React Hook Form
Performant, flexible React forms built on hooks with minimal re-renders and built-in validation.
PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
Formik
Formik: Build React Forms Without the Tears - Docs & Guide
TanStack Form
Headless, type-safe form state management for React, Vue, Solid, Angular, and more
@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.
vee-validate
Template-based form validation library for Vue.js with Composition API support
Gorilla Schema
Gorilla Schema fills Go structs from HTTP form values and encodes them back into url.Values using struct tags.
Flask-WTF
Simple integration of Flask and WTForms with built-in CSRF, file upload, and reCAPTCHA support
WTForms
A flexible, framework-agnostic form validation and rendering library for Python web development.
express-fileupload
Simple Express middleware for handling multipart file uploads
devtools
A floating debug panel for React Hook Form that surfaces live field values, validation errors, and dirty/touched state as you type.
react-papaparse
React hooks and components wrapping PapaParse for fast in-browser CSV parsing
django-crispy-forms
Control Django form HTML from Python layouts instead of hand-written templates, with pluggable Bootstrap, Tailwind, and Bulma output.
cls-hooked
Continuation-local storage for Node.js, built on async_hooks instead of the deprecated async-listener.