survey.js is a JavaScript Survey Library. It is a modern way to add a survey to your website. It uses JSON for survey metadata and results.

Vite bundler for Nuxt

🏁 Framework agnostic, high performance, subscription-based form state management

Nuxt is a free and open-source framework with an intuitive and extendable way to create type-safe, performant and production-grade full-stack web applications and websites with Vue.js.

Headless form engine: schema model, state, validation, conditional logic and pluggable importers

This module provides a rule engine that can be executed on your Otter application to customize your application (translations, placeholders and configs) based on a json file generated by your CMS.

Storefront plugin & Vue component for dynamic search page

The realtime engine behind Socket.IO. Provides the foundation of a bidirectional connection between client and server

Headless, config-driven multi-step form engine for React 19 with a pure static analyzer (form-lint CLI) that catches config bugs at build time.

ES5 spec-compliant shim for String.prototype.trim

A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.

An engine which produces an intermediary structure from HTML to create a React Native render tree.

Middleware for handling `multipart/form-data`.

Full CSS support for JSX without compromises

PDFium WebAssembly for the web platform. This package provides a powerful JavaScript interface to PDFium, enabling high-quality PDF rendering and manipulation directly in web applications.

Nitro server integration for Nuxt

🏁 High performance subscription-based form state management for React

Rulvar core: L0 contracts, journal kernel, ctx primitives, agent runtime, model router, tool system, dynamic orchestrator, InMemory and JSONL stores, event stream.

[](https://amplience.com/dynamic-content)

CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.