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.
@hookform/resolvers
Official React Hook Form adapters that plug 20+ schema-validation libraries — Zod, Yup, Joi, Valibot, ArkType and more — straight into useForm's resolver.
Multer
Streamlined multipart/form-data file upload handling for Express and Node.js APIs.
react-select
The flexible, accessible Select control for React with multi-select, async, and creatable options.
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
@fastify/multipart
Streaming multipart/form-data parsing plugin for Fastify with async iterators and disk or memory upload modes
vee-validate
Template-based form validation library for Vue.js with Composition API support
Autosize
A tiny, dependency-free script that grows and shrinks textareas to fit their content.
devtools
A floating debug panel for React Hook Form that surfaces live field values, validation errors, and dirty/touched state as you type.
free-email-domains
A continuously updated JSON list of free and disposable email domains for filtering signups and scoring leads.
CakePHP
The rapid-development MVC framework for PHP, with a powerful ORM and convention-over-configuration.
Mailcheck
A lightweight JavaScript library that suggests the right domain when users misspell their email address in a form.
react-final-form
A thin React wrapper for Final Form, a subscriptions-based form state manager that re-renders only the fields whose state actually changed.
noUiSlider
A lightweight, accessible JavaScript range slider with multi-touch support and zero dependencies.
final-form
Framework-agnostic, subscription-based form state management with zero dependencies.
JSON Forms Core
The framework-agnostic engine that renders complex forms straight from JSON Schema and UI Schema definitions.
AutoNumeric
Live as-you-type formatting and masking for international numbers and currencies on form inputs.
autocompleter
A dependency-free, 1KB JavaScript/TypeScript autocomplete widget for building fast, accessible input suggestions.
ExerciseHTMLPurifierBundle
Symfony integration for HTMLPurifier to sanitize untrusted HTML and prevent XSS
@koa/multer
Koa middleware that adapts Express's multer into promise-based handlers for parsing multipart/form-data uploads.
final-form-arrays
Array mutators for Final Form that add push, pop, insert, remove, move, swap, and more to manage dynamic list fields.
selectize.js
A jQuery-based custom select UI control with autocomplete, tagging, and keyboard-driven multi-select for forms.
