JSPM

Offline states and storage for Vue.js apps and Progressive Web Apps

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

Universal design system for React Native apps with safe navigation hooks - updated SKILL.md with navigation documentation

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

Shared Editing Library

Native OS speech transcription for Electron apps — fast, local, no cloud required

A module that integrates into your build process, helping you generate a manifest of local files that workbox-sw should precache.

Queues failed requests and uses the Background Sync API to replay them when the network is available

Reactive offline-first database framework for React and React Native apps

A plugin for your Webpack build process, helping you generate a manifest of local files that workbox-sw should precache.

Allows development of off-line mobile and web business apps over the Dynamics Mobile platform. More info on https://www.dynamicsmobile.com

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

API caching solution for redux apps

Periodic background tasks for React Native apps, cross-platform (iOS and Android), which run even when the app is closed.

User Customizable CSS / JS framework. Private, modular & convergent apps

PWA cache provider for Next.js/React apps (service worker, manifest, offline page, SPA cache, offline)

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

Graphcache offline storage for React Native

SyncedStore is an easy-to-use library for building collaborative applications that sync automatically. It's built on top of Yjs, a proven, high performance CRDT implementation.

Check if servers are reachable

A module that integrates into your build process, helping you generate a manifest of local files that should be precached.

A cross-browser wrapper for IndexedDB

A plugin for your webpack build process, helping you generate a manifest of local files that should be precached.

IndexedDB database adapter for Yjs

Check if the internet connection is up

A webpack starter kit for offline-first bring-your-own-code apps with server side rendering

LMCP — connect Claude Desktop, Cursor, Windsurf to Mail, Calendar, Contacts, Teams, OneDrive on macOS. Privacy-first: all data stays on your Mac.

A lightweight JavaScript analytics client library with offline support for Hybrid and Progressive Web Apps

offline-plugin for webpack

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

LevelDb database adapter for Yjs

A network resilient, persistent full-text search library for the browser and Node.js

A robust, drop-in IndexedDB wrapper for web apps

workbox-cli is the command line interface for Workbox.

Shared Editing Library

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

Gatsby plugin which sets up a site to be able to run offline

An Apollo Link to debounce requests

Local / Offline Search for Docusaurus

Build powerful React Native and React wseb apps that scale from hundreds to tens of thousands of records and remain fast

This is a wrapper for jsoneditor package, it can be run offline without any dependencies and privacy concerns.

Serverless plugin to run a local SNS server and call lambdas with events notifications.

A list of all the public package names on npm. Updated daily.

Offline and Online components for React

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

:guitar: Download and/or Extract git repositories (GitHub, GitLab, BitBucket). Cross-platform and Offline-first!

AWS Application Load Balancer and API Gateway - Lambda dev tool for Serverless. Allows Express synthax in handlers. Supports packaging, local invoking and offline ALB, APG, S3, SNS, SQS, DynamoDB Stream server mocking.

LangChain.js adapters for @localmode — drop-in local inference for existing LangChain apps

A tiny (174B) library to detect `offline` status & respond to changes in the browser.

Utility to check if internet is connected or not

Yeoman generator to scaffold Symfony PHP apps with full featured frontend tooling

The command line interface of Serwist.

A link to queue requests when a certain condition is met (eg. device is offline)

Tar implemented in the browser

Truly-offline Progressive Web Apps with NextJS

JS Network framework for offline first progressive web apps

offline-plugin for webpack

License verification for EventCatalog

offline first support for choo apps

Handy toolbelt to deal with offline mode in React Native applications. Cross-platform, provides a smooth redux integration.

Shared Editing Library

Run AWS step functions offline with Serverless

<h1 align="center"> next-offline </h1>

A wrapper for AWS's [Step Functions Local](https://docs.aws.amazon.com/step-functions/latest/dg/welcome.html).

Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

Offline tilelayer for leaflet

Hanseol - OpenAI-Compatible Coding Agent

Detect if the network is up (do we have connectivity?)

JS library based on the File API to cache images for offline recovery (target: cordova/phonegap & chrome)

Provide local search to your documentation site.

Porcupine wake word engine for web browsers (via WebAssembly)

A plugin for the Serverless Framework that simulates the behavior of AWS CloudFront Edge Lambdas while developing offline.

A React hook for detecting if you are online or offline.

Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

<head> <meta name="google-site-verification" content="zApSXb8oh9SIBjqaVNlIs_IPT7sTwY4vwk59YS_CshE" /> </head>

Fast web server allowing to browse, search and edit project documentation written in Markdown

PouchDB database access restrictions using a security document.

Cache, Queue and Persist your requests no matter if you are online or offline!

React hook useSyncedStore for SyncedStore.

Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

[Serverless](http://www.serverless.com) plugin for adding authorizers when developing and testing functions locally with [serverless-offline](https://github.com/dherault/serverless-offline).

Serverless plugin for using cloudside resources during local development

offline-plugin for webpack

A simple service worker library for request caching

Check if offline

Picovoice Porcupine Node.js binding

React hook for subscribing to `online`/`offline` events and the `navigator.onLine` property to see current status

Use Google Fonts while you're offline or in development.

Reactive, Offline-First adapter for TanStack DB using RxDB. Sync, Replication and Local-First support.

sementic ui css offline

Fast, offline VIN decoding for Node.js, browsers, and Cloudflare Workers. Powered by the NHTSA VPIC database.

Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

MongoDB database adapter for Yjs

A changelog generator for Github projects that only uses the Git history

Elm offline documentation previewer with hot reloading.

Cobra VAD engine for web browsers (via WebAssembly)

An Astro integration that generates a Service Worker. Powered by Workbox.

Offline-first transaction capabilities for TanStack DB

Speech recognition module for react native using Vosk library

Local RAG MCP Server - Easy-to-setup document search with minimal configuration

localForage bindings for Angular

High-performance video caching for expo-video, react-native-video and React Native. Features a local proxy for instant HLS (.m3u8), offline support, prefetching, and advanced cache management.

Offline and Online components for Vue

An API to download and/or extract git repositories

PostgreSQL database adapter for Yjs

vitepress plugin, Offline full-text search based on pagefind implementation.

Offline full-text search for docmd.

Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

Downloads and adapts Google fonts to working offline

Caches better-auth API responses so your app keeps working when the network doesn't.

React component for Porcupine Web SDK

An ordered tree class for yjs. Lets you use a Y.Map like an ordered tree with insert, delete, and move operations. The children are ordered and the position of a child amongst its sibling can be manipulated

JS library based on the File API to cache images for offline recovery (target: cordova/phonegap & chrome)

217 kB, tiny offline reverse geocoding library that works anywhere, browser, Node.js, web worker. High performance (S2 cell based). Looks up country and nearest city, given GPS coordinates

Queues failed requests and uses the Background Sync API to replay them when the network is available.

A Webpack Plugin to generate a Service Worker. Powered by Workbox

Progressive Web App (PWA) plugin for docmd.

Offline caching and download management with parallel chunk downloads

Tingly-Box AI gateway CLI with bundled binaries (offline-ready) - connect to multiple AI providers through a single API

An extensible websocket server for the Yjs collaborative editing framework. Compatible with y-websocket.

Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

serverless framework plugin to server static files locally

Picovoice Porcupine React Native binding

A Next.js plugin that generates a Service Worker. Powered by Workbox.

A Firebase-Style Database ... Offline!

Service Worker toolkit for chunk streaming and offline caching

RxJS operator and other utils catching offline errors in Angular apps and PWA

Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

@wora Offline First

Speech-to-text, text-to-speech, speaker diarization, and speech enhancement using Next-gen Kaldi without internet connection

Dashboard personnel offline : diagrammes, tâches, notes et liens dans un seul fichier HTML — fonctionne sans serveur via file://

A plugin for rspack, helping you generate a manifest of local files that workbox-sw should precache.

share an event emitter among pages and frames on the same domain

Rhino Speech-to-Intent engine for web browsers (via WebAssembly)

Local CLI - OpenAI-Compatible Local CLI Coding Agent

Offline, in-browser voice commands powered by EfficientWord-Net (ResNet-50 ArcFace).

Token-free terminal assistant — NLP-based server operations CLI

SurrealDB client with local and remote database support for browser applications

Sockets connection for hyper-fetch

Core SDK for Togglely - Framework agnostic feature flag management with offline support

A CLI tool to generate HTML5 Application Cache Manifest.

AceBase realtime database. Open source firebase alternative for nodejs and browser, with additional features: indexes, geo, fulltext, queries, custom storage, offline usage, synchronization, live data proxies and more

SQLite extension for Neutralino apps with bundled SQLite and an async Promise-based API.

TypeScript HTTP client with Result<T,E> returns, zero-dep OpenTelemetry tracing, request deduplication, retry, circuit breaker, offline queue, and GraphQL — for Node.js, Bun, Deno, and browsers

offline-plugin for webpack

Offline states, storage and other tools for Vue.js apps and Progressive Web Apps

A list of all the `@types` packages on npm with metadata. Updated daily.

Lightweight wrapper for accessing npm programmatically (alternative to adding `npm` as a dependency)

Offline NHTSA vehicle makes/models database — zero dependencies

A module to verify if there's an active internet connection with Node.js

Checking if the internet is accessible (not local connection only)

Koala Noise Suppression engine for web browsers (via WebAssembly)

Hanseol - OpenAI-Compatible Coding Agent

An Apollo Link to debounce requests

Capacitor plugin for Optical Character Recognition (OCR)

MCP server for reading, editing, and comparing Word documents with tracked changes. For Claude, Gemini CLI, Cursor, and any MCP client. MIT licensed.

Browser-native audio transcription powered by WebGPU Whisper — zero server, fully local.

The easiest way to make your website work offline.

Checks if internet is available using http2, node v8.4.0+ only

Simplifies making trackable and offline requests for React/Redux apps

[](https://badge.fury.io/js/ask-sdk-test)

Reliable internet connectivity, latency, and connection type for web apps. Works across WiFi, mobile data, and frameworks.

Human interface for IndexedDB

Adding offline capabilities for your keyv instance.

Edit Word (.docx) documents with tracked changes, redlines, and formatting preservation. Built for AI coding agents. MIT licensed, 100% local processing.

Declarative, full-stack web application framework

A service worker helper library to retry offline Google Analytics requests when a connection is available.

Picovoice Cobra Node.js binding

Browser offline background removal using WebGPU - powered by rembg.com technology

Cross-platform network connectivity and utilities for React and React Native

Data management for web and mobile applications.

@wora Apollo Offline Capabilities

Grafeo graph database in the browser - WebAssembly powered, zero backend

A lightweight TypeScript library for detecting online/offline status in browsers with modern bundler support. Minimal dependencies, tree-shakable, and works with any bundler.

Picovoice Rhino Node.js binding

TalaDB React Native module — document and vector database via JSI HostObject

Node.js module to support LNURL offline devices

Vexp — Context Engine for AI Coding Agents. Pre-indexes your codebase into a dependency graph and delivers ranked context to any MCP-compatible agent. 58% lower cost per task, 90% fewer tool calls (SWE-bench Verified). Works with Claude Code, Cursor, Copi

An Offline-First JavaScript client for Kinto.

A service worker implementation of the behavior defined in a page's App Cache manifest.

Better i18n backend plugin for i18next in Expo/React Native

Code running in the context of a window, to accompany appcache-polyfill-sw.

<h1 align="center"> next-offline-ts </h1>

CLI to transform source files into i18n-ready code with automatic translation via argostranslate

Enable offline read-only support for Inertia.js-based PWAs

📦 Download npm packages online, install them offline later. The #1 CLI tool for offline package management, dependency caching, and air-gapped environments. Works without internet. Perfect for secure networks, enterprise development, and remote work.

Offline Developer Toolkit - Learning, Tools & Productivity

⚡ DeepBase IndexedDB - browser storage driver

Offline cache enabled WebView

Type-safe, lightweight, framework-agnostic connectivity detection and offline action queue

@wora Relay Offline Capabilities

React adapter for Connectivity

Offline-capable Meadow provider with browser-side SQLite and IPC routing.

Offline-fist PageSpy, plug and play. Only available in browser.

Cheetah Speech-to-Text engine for web browsers (via WebAssembly)

React Relay Offline

Shared Editing Library

The Paga Collect API allows anyone (payment request initiator) to initiate a payment request to a third party and automatically get notified when the payment request is fulfilled

React Hooks to detect when your browser is online/offline.

Offline-first asset caching via IndexedDB

React component for Rhino Web SDK

Svelte helper for SyncedStore.

Control the content users see, even when they're offline

AI resource intelligence MCP server — recommends skills, tools, agents, rules, and MCP servers from 20,000+ resources. Fully offline, zero network access.

MCP server that gives GitHub Copilot CLI persistent long-term memory via local semantic vector search. Install: npx -y ghcp-cli-vector-memory-mcp

<1KB UI engine. Build big. Ship small, ship fast.

Adaptive network-aware request scheduler for the web

Normalized entity caching plugin for Pinia Colada

> **A local-first AI CLI for understanding, querying, and iterating on large codebases.** > **100% local • No token costs • No cloud • No prompt injection • Private by design**

An Apollo Link that you can dynamic ignore/change the network error.

Cognitive architecture for persistent AI agent memory. Knowledge graph with learning retrieval, ACT-R decay, and spreading activation. Markdown-native, local-first, zero cloud. MCP server + CLI.

Webpack plugin that allows to cache generated assets in your own service worker.

Hoodie-like API for PouchDB

Simple offline queue for redux, inspired by redux-queue-offline.

Orca Text-to-Speech engine for web browsers (via WebAssembly)

Offline-first mesh networking SDK with intelligent transport switching for React Native

Cline CLI - Offline package for internal/air-gapped networks. All dependencies bundled.

Client-side PDF to Markdown conversion with OCR and optional LLM rewrite. Core dependencies bundled for offline use.

LaTeX math equation renderer for React, React Native, Expo, Flutter, Android & iOS WebView. Render LaTeX, MathJax, KaTeX-style math, chemistry SMILES molecular structures, mhchem chemical formulas, tables, and scientific content. Universal cross-platform

Framework-agnostic client-side database with localStorage, sessionStorage, and IndexedDB. Create databases, tables, save/fetch records, and run JSON queries.

Eagle Speaker Recognition engine for web browsers (via WebAssembly)

Detect online and offline network state.

React hook for Cheetah Web SDK

Checking internet network connection. An alternative for Offline.js.

Angular 2+ module to cache images for offline use.

Nexus Local-First Sync — IndexedDB engine ($localSync) + Byte-Mirror prototype (SQLite WASM worker / OPFS)

<div align="center">

Leopard Speech-to-Text engine for web browsers (via WebAssembly)

react network detection hooks

Serverless Framework Plugin to Work with AWS SQS Offline

Build powerful React Native and React web apps that scale from hundreds to tens of thousands of records and remain fast

React hook to detect online and offline network state.

Mock AWS Amplify JavaScript SDK for offline scenarios

decaf-ts persistence adapter for PouchDB

Zero-dependency Solana transaction message decoder for Squads Protocol v4. Decode instructions, compute hardware wallet message hashes.

Offline-first MongoDB sync — Local + Atlas feel like ONE database. Automatic conflict resolution, Mongoose plugin, interactive CLI, zero boilerplate.

A lightweight JS utility to monitor internet connectivity, online/offline, connection quality (2G/3G/4G/5G), ping latency and detect poor network conditions.

A plugin for your Webpack build process, helping you generate a manifest of local files that workbox-sw should precache.

Terminal-native local LLM chat client — fast, offline, agentic

React context provider and hook to check if the internet connection is up

Data management for web and mobile applications.

An API set to communicate with Bambu services that abstracts away the implementation of local storage for offline use.

React hook for Leopard Web SDK

OpenCode plugin for local persistent memory using Mnemosyne — offline semantic search, no cloud required

Bundled SQLite3 library for offline environments

Data engine with offline and realtime