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Mechanisms for persisting application data within the browser environment.
Distinguishing note: Focuses on browser-based persistence rather than server-side database storage.
Explore 25 awesome GitHub repositories matching data & databases · Client-Side Storage. Refine with filters or upvote what's useful.
ChatGPT-Next-Web is a cross-platform web interface and frontend for interacting with large language models. It functions as a self-hosted client that allows users to connect to various AI model providers through a unified chat interface compatible with web browsers and desktop operating systems. The project includes a prompt template manager for creating and organizing reusable masks to standardize interactions. It supports self-hosting on private clouds to maintain data security and provides a centralized administrative panel for managing API resources and member access permissions. The app
Persists conversation history and user settings within the browser to ensure data privacy and ownership.
This project is a structured educational resource designed to guide developers through the mastery of the JavaScript programming language. It utilizes a progressive curriculum that organizes technical concepts into a daily learning path, allowing students to build foundational knowledge before advancing to complex application development. The resource distinguishes itself through a hands-on training model that combines detailed explanations with practical code challenges. By focusing on an interactive learning experience, it reinforces core language principles—such as data types, functional p
Covers persistent client-side storage techniques for managing application state without a backend.
Appsmith is a low-code platform designed for building internal business tools, such as operational dashboards and administrative panels. It enables developers to construct dynamic user interfaces by dragging and dropping modular widgets onto a canvas and binding them directly to backend data sources. The platform utilizes a reactive framework that automatically updates interface elements and triggers functions whenever underlying data or widget properties change, eliminating the need for manual event handling. The platform distinguishes itself through a server-side proxy architecture that exe
Shares data across pages or maintains information between browser sessions using key-value storage.
localForage is a browser storage wrapper and key-value store that provides a unified JavaScript API for persisting data. It acts as an abstraction layer over IndexedDB, WebSQL, and localStorage, allowing web applications to save data offline. The library features a priority-based driver fallback system that automatically detects and selects the most capable storage engine available in the browser. It simplifies data management by providing an asynchronous interface for storing complex JavaScript objects and binary buffers without requiring manual serialization. The project covers broad capab
Provides a comprehensive solution for client-side storage in browser environments using a unified API.
Store.js is a client-side state persistence library and web storage abstraction layer. It provides a consistent browser key-value storage wrapper that manages the persistence of application state across sessions using the most capable available local storage mechanism. The engine is extensible, allowing for the integration of custom storage backends and plugins to modify how data is read and written. It functions as a reactive web storage manager, monitoring specific keys to trigger notifications when stored values are updated. The library handles automatic data serialization for complex typ
Monitors specific storage keys to trigger application updates whenever stored values are modified.
This is the Chinese translation of The Modern JavaScript Tutorial, an open-source, community-driven project that teaches JavaScript from fundamentals to advanced topics based on the latest ECMAScript specification. The project covers the full JavaScript language, including object-oriented programming, and provides comprehensive instruction on browser programming, DOM manipulation, and client-side web development. The tutorial is structured as a multi-language translation framework, with each chapter and article organized into numbered folders for clear navigation. Contributors can translate M
Covers client-side storage mechanisms including cookies, localStorage, sessionStorage, and IndexedDB.
ChatHub is a browser-based AI workspace and chatbot aggregator that provides a unified interface for interacting with multiple large language models. It functions as a multi-model AI client, allowing users to send a single prompt to several chatbots simultaneously and compare their responses side-by-side. The project distinguishes itself by acting as a cross-model response comparator that aggregates various web-based AI interfaces into a single view. It includes an AI prompt manager for storing and organizing reusable prompts to be used across different model sessions. The system covers a br
Persists prompt libraries and conversation history directly within the browser environment.
Instant is a real-time backend as a service and relational graph database designed to synchronize data across clients automatically. It functions as a data synchronization layer that provides authentication, permissions, and relational data storage for web and mobile applications. The platform includes an optimistic UI framework that updates local interfaces immediately during writes and handles automatic server rollbacks. It also features a real-time presence system to broadcast transient user states, such as cursor positions and online status, to other connected clients. The system manages
Uses a client-side storage mechanism to persist application data and enable offline functionality.
This repository contains the HTML specification, which defines the core standards for web page structuring, content organization, and document rendering. It establishes the fundamental algorithms for state-machine-based tokenization, tree construction for the document object model, and origin-based security isolation. The specification provides a framework for defining custom elements with independent lifecycles and registries. It also details the requirements for cross-document communication, session history management, and the synchronization of interface properties with content attributes.
The HTML specification triggers events when storage areas are modified to synchronize state across windows.
Sled is an embedded key-value store and ACID-compliant database designed for high-performance data persistence. It functions as a log-structured storage engine that organizes data using B+ trees to support efficient range queries and prefix scans. The engine implements a zero-copy data store model, utilizing epoch-based reclamation to provide direct references to cached values without memory allocations. It distinguishes itself through a combination of write-ahead logging, page cache optimizations to reduce write amplification on flash storage, and serializable transactions for atomic multi-k
Monitors specific key prefixes to trigger reactive events when records are updated.
Violentmonkey is a userscript manager extension and JavaScript injection framework. It allows users to install and manage custom scripts and CSS to modify the behavior and appearance of websites based on metadata-driven trigger conditions. The project functions as a cloud-synced script manager, backing up and synchronizing scripts across different devices using external cloud storage services. It also serves as a cross-origin request bridge, providing a communication layer that enables scripts to bypass the same-origin policy to fetch data. The tool covers a broad range of browser automation
Monitors specific storage keys to trigger callbacks and synchronize state across different browser tabs.
ChatGPT-Shortcut is a prompt engineering toolkit and management library designed to organize, refine, and deploy structured instructions for large language models. It functions as a browser-based prompt injector and a self-hosted prompt database, allowing users to maintain a curated collection of specialized templates. The project features a community prompt gallery where users can publish, discover, and vote on effective templates. It distinguishes itself by integrating these libraries directly into chat interfaces via userscripts or browser extensions, enabling access to prompts through sid
Maintains private prompt collections and favorites within the browser to allow operation without a backend server.
AlaSQL is a JavaScript SQL database engine that allows for the filtering, grouping, and joining of in-memory object arrays and JSON data. It functions as an in-memory SQL database and client-side data processor, enabling the execution of SQL statements against JavaScript arrays and external data sources in both browser and server environments. The project serves as a universal data query tool capable of performing relational joins across diverse sources, such as merging Google Spreadsheets, SQLite files, and remote APIs into a single result set. It also acts as an IndexedDB SQL wrapper, allow
Integrates with IndexedDB and localStorage to provide persistent data storage within the browser.
Invoify est un outil de facturation basé sur navigateur construit avec Next.js et TypeScript. Il fournit une interface web pour concevoir, créer et gérer des documents de facturation professionnels pour les clients. L'application dispose d'un concepteur de factures professionnel avec des prévisualisations en direct et des modèles de mise en page. Elle permet la génération directe de fichiers PDF et inclut un service d'email intégré pour la livraison automatisée des factures aux destinataires. Le système gère les données de facturation via le stockage local du navigateur et prend en charge l'exportation des informations de facture aux formats PDF, JSON et CSV pour le reporting et l'archivage externes.
Persists billing data directly in the browser for retrieval without a backend database.
An invoice generator app built using Next.js, Typescript, and Shadcn
Stores invoice data in the browser's local storage for persistence across sessions without a backend server.
PartyKit is a serverless WebSocket backend platform for building real-time multiplayer applications. It provides a globally distributed edge computing runtime that runs stateful server code close to users, with automatic scaling and hibernation for idle rooms. The platform handles WebSocket connections, HTTP requests, and durable storage without requiring infrastructure management, and includes a client and server SDK with hooks, storage, and Yjs integration for building collaborative features. The platform distinguishes itself through per-room isolation using Durable Objects, where each uniq
Fetches individual keys from storage at runtime, leveraging an in-memory cache for balanced read-write patterns.
freegpt-webui est une interface web auto-hébergée pour interagir avec des grands modèles de langage. Il fournit un frontend basé sur le chat conçu pour communiquer avec les modèles GPT 3.5 et GPT 4. L'application permet un chat sans clé API, permettant aux utilisateurs d'accéder à l'IA conversationnelle pour la génération de texte et la récupération d'informations sans fournir ou gérer de clés d'authentification personnelles. Le système gère l'intégration des modèles via une passerelle de proxy inverse et prend en charge le traitement de flux asynchrone pour la génération de texte en temps réel. Les préférences utilisateur et l'historique des conversations sont persistés via le stockage de session côté client.
Uses browser-based client-side storage to persist conversation history and user preferences locally.
Simpl est une bibliothèque d'exemples HTML, CSS et JavaScript qui fournit une collection de démonstrations fonctionnelles minimales des technologies web fondamentales et des API natives du navigateur. Elle sert d'implémentation de référence et de galerie de modèles pour le développement frontend, offrant des exemples pratiques sur la façon d'implémenter des fonctionnalités web courantes. Le projet présente un large éventail de capacités du navigateur, notamment la communication web en temps réel via WebSockets et WebRTC, des techniques de conception web responsive pour des mises en page adaptatives, et l'implémentation de flux de travail hors ligne utilisant des service workers. Il fournit également des démonstrations pour le stockage côté client utilisant IndexedDB et des magasins clé-valeur basés sur le navigateur. La bibliothèque couvre une large surface de capacités web, notamment l'intégration matérielle avec les capteurs d'appareils et la géolocalisation, la capture et la lecture multimédia avancées pour l'audio et la vidéo, et l'utilisation du canvas pour le rendu graphique en deux et trois dimensions. Les domaines supplémentaires incluent la manipulation de données, la programmation asynchrone et l'utilisation des API du navigateur pour surveiller les performances et la connectivité réseau.
Provides a comprehensive gallery of browser-based persistence mechanisms for application data.
SwiftyUserDefaults est une interface Swift typée pour lire et écrire les préférences utilisateur en utilisant le système de stockage NSUserDefaults. Elle fournit un magasin de préférences typé statiquement qui utilise des types génériques et des valeurs par défaut pour éviter les incompatibilités de type à l'exécution dans les paramètres de l'application. La bibliothèque inclut un sérialiseur de type personnalisé pour convertir des objets et des tableaux complexes en formats de stockage compatibles et un observateur qui utilise l'observation clé-valeur pour déclencher une logique lorsque les valeurs de préférence changent. Elle dispose également d'un gestionnaire de préférences de groupe d'applications qui utilise des noms de suite pour échanger les préférences utilisateur entre les applications et les extensions. Le projet couvre des domaines de capacités plus larges, notamment la gestion du cycle de vie des préférences, la mise en cache des valeurs en mémoire pour réduire les lectures de stockage et la capacité de lire les arguments de lancement de l'application en tant que valeurs de configuration typées statiquement. Elle fournit également des utilitaires pour gérer plusieurs magasins de clés isolés et réinitialiser le magasin de préférences.
Ships a monitoring tool that uses key-value observing to trigger logic when specific preference values are updated.
Ce projet est une collection de démonstrations techniques et de prototypes qui présentent diverses API HTML5, capacités multimédias et implémentations de standards web. Il sert de bac à sable technologique frontend et de galerie de preuves de concept d'implémentation pour les fonctionnalités modernes des navigateurs. La collection inclut des vitrines spécialisées pour le multimédia HTML5, présentant la manipulation de flux audio, vidéo et multimédias en temps réel. Elle fournit également une série d'expériences axées sur le prototypage de capacités web pour vérifier la faisabilité technique et la prise en charge par les navigateurs dans des environnements réels. Le projet couvre un large éventail de domaines fonctionnels, incluant le rendu graphique basé sur le navigateur et les services de géolocalisation. Il démontre le stockage et la persistance de données côté client, la synchronisation de données en temps réel via des connexions bidirectionnelles, et la communication sécurisée entre fenêtres. Les capacités supplémentaires incluent l'exécution de tâches en arrière-plan, la mise en cache d'assets web et des éléments d'interface utilisateur interactifs tels que des implémentations de glisser-déposer.
Provides a group of demonstrations for persisting data and caching assets within the browser.