Awesome GitHub RepositoriesCross-Device State Synchronization

Readest is a cross-platform digital book reader and library management system designed to render multi-format ebook files across different devices. It provides a consistent interface for viewing digital content while coordinating reading progress, bookmarks, and notes through synchronization services. The application includes specialized tools for technical and academic reading, such as code syntax highlighting, a virtual split-screen viewport for comparing documents, and full-text search for rapid information retrieval. It further extends the reading experience with integrated dictionary loo

DoKit is a frontend development debugging toolset designed for web and mobile applications. It provides a suite of utilities for intercepting network traffic, mocking API responses, inspecting UI hierarchies, and monitoring mobile app performance. The project is distinguished by its focus on hybrid app inspection, allowing developers to execute scripts within web views and browse internal application sandboxes. It includes a visual UI audit tool with alignment rulers and color pickers to verify that interfaces match design specifications, as well as a diagnostic system that tracks CPU usage a

DoraemonKit is a mobile frontend development toolset designed to optimize the lifecycle of web and hybrid mobile applications. It functions as a comprehensive suite of productivity tools, providing specialized utilities for mobile UI inspection, web view debugging, and on-device performance monitoring. The toolset distinguishes itself through several targeted simulation and interception capabilities. It includes a network traffic interceptor for mocking API responses without modifying source code, a device state simulator for overriding GPS coordinates, and a mobile web debugging bridge that

YYeTsBot is a self-hosted Telegram bot that enables searching, browsing, and sharing media resources from the YYeTs subtitled media archive. It operates as an interactive bot within Telegram, allowing users to search for subtitled media content and manage resource links directly through chat commands. The application indexes YYeTs media resources and user-submitted links, building a searchable database stored in a local SQLite database. It supports community curation through features that let users flag unavailable resources and submit new media links for inclusion. The bot maintains per-user

Mirai is a software development kit and framework designed for building automated bots that interface with the QQ mobile protocol. It functions as a mobile protocol bridge and social API wrapper, enabling the automation of account interactions and the programmatic management of social networks. The project provides specialized tools for QQ bot development, including frameworks for managing group memberships, permissions, and moderation settings. It also includes utilities for social relationship automation, such as processing friendship requests and maintaining organized contact lists. The s

NetNewsWire is a news aggregation tool and RSS feed reader designed for the macOS and iOS platforms. It serves as a client for subscribing to and reading syndicated web content and news feeds from various publishers. The application enables personal news curation and digital publication following by collecting content from multiple sources into a single unified interface. It supports cross-device content syncing to maintain consistent read and unread states across Apple devices. The system utilizes local-first database storage for offline access and periodic background fetching to check for

NetNewsWire is an RSS feed aggregator and cloud-synced news reader. It provides a centralized interface for collecting, organizing, and consuming articles from multiple web feed formats using an XML feed parser. The application features a local database feed cache to ensure fast retrieval and offline access to content. It includes a customizable theme engine that decouples visual styling from logic, allowing the user interface appearance to be adjusted via configurable parameters. The platform supports cross-device reading synchronization for subscription lists and read markers through remot

Karing is a multi-protocol proxy client and network traffic router designed to manage and direct internet traffic through various proxy protocols. It functions as a proxy subscription manager that imports and converts server lists from multiple external formats and providers into a unified configuration. The project features a cross-device synchronization system that keeps network routing settings and server lists consistent across multiple devices via cloud or local sharing. It includes a latency-based server selector that measures real-time response times to automatically connect to the fas

This project is a synchronization plugin that mirrors notes, settings, and vault data across multiple devices. It functions as a self-hosted vault synchronizer, allowing users to maintain a personal knowledge base using a user-owned server. The system utilizes a CouchDB synchronization layer to maintain consistent document states across peers. Security is handled through end-to-end encryption, which encrypts vault content locally before transmission to ensure privacy on remote storage. The replication model supports both self-hosted data replication and peer-to-peer data transfer. It manages

This project is a comprehensive knowledge base and study resource designed for mastering technical interviews. It provides structured guides, roadmaps, and curricula focused on data structures, algorithms, system design, and frontend engineering to help candidates prepare for software engineering screenings. The repository distinguishes itself by offering a holistic approach to professional advancement. Beyond technical drills, it includes a career development handbook covering resume optimization, salary benchmarking, and strategic negotiation coaching. It also provides detailed methodologie

This project is an open-source software development kit and framework for implementing the Matter smart home standard. It provides a universal IPv6-based application layer and a cluster-based data model to ensure interoperability between diverse smart home devices and controllers. The system is distinguished by its multi-transport network abstraction, which maps Bluetooth LE, Thread, and Wi-Fi implementations to a common layer. It includes specialized tooling for secure device commissioning via QR codes and NFC, as well as a comprehensive over-the-air firmware update system for distributing s

TypeWords is a language learning typing tool and vocabulary trainer designed to build spelling accuracy and muscle memory. It functions as a practice environment where users master complex texts and vocabulary through audio-based dictation and text input. The system utilizes a spaced repetition vocabulary trainer that employs a scientific algorithm to calculate review intervals for long-term memory retention. It includes a customizable wordlist manager for importing academic vocabularies or creating personal dictionaries with associated local audio and phonetic data. The platform covers a br

WildfireChat’s im-server is an open-source instant messaging backend that handles message routing, user management, and group chat for private deployments. It provides a self-hosted messaging platform that can run on private infrastructure without third-party cloud dependencies, supporting enterprise messaging with group management, user directories, and external system integration. The server synchronizes messages and state across mobile, desktop, web, and mini-program clients simultaneously, and supports real-time audio/video calls with group conferencing and live streaming. It includes enc

PicaComic is a digital comic and manga reader that enables browsing and reading content from multiple online sources within a single unified interface. It aggregates data from various providers into a local database for consistent searching and browsing. The application supports custom content integration, allowing the registration of new third-party reading sources through a provider-based extension system. It also features cross-device reading synchronization to keep reading progress and favorite lists aligned across different devices. Additional capabilities include offline content manage

Baileys is a TypeScript API client library used to interact with the WhatsApp Web API via WebSockets without requiring a browser. It functions as a real-time communication tool that handles bidirectional data exchange and event-based socket connections. The project includes a dedicated toolkit for managing WhatsApp Business profiles and product catalogs, alongside a session manager that authenticates accounts using QR codes or pairing codes and persists session state to disk. Its capabilities cover a wide range of messaging functions, including multi-type message transmission, chat history s

Workout-Cool is a self-hosted fitness application that combines an exercise database browser, workout plan builder, and progress tracking dashboard into a single coaching platform. The application runs on personal infrastructure with full code access, storing workout data locally in the browser while offering optional account-based synchronization for continuity across sessions. The platform provides a searchable exercise library with detailed instructions and video demonstrations, along with pre-built workout programs that can be filtered by difficulty, duration, and equipment requirements.

LunaTV is an IPTV streaming web application and progressive web app media aggregator. It functions as a dockerized media server that aggregates video sources and metadata from multiple external content management systems into a single searchable interface for streaming live television and on-demand video. The project distinguishes itself with a video stream ad-skipper that identifies and removes sliced advertisements from video feeds. It also features a remote configuration distribution system that delivers application settings through encoded links to automate the setup of clients. The appl

ReadYou is a self-hosted reading application and RSS feed aggregator that centralizes content from multiple web sources. It functions as a full-text RSS reader, extracting the complete body text from web pages to provide a distraction-free reading experience. The application includes specialized accessibility and speed tools, such as a bionic reading mode that uses pattern-based text highlighting to guide the eye and a text-to-speech system for audio content consumption. The project covers comprehensive subscription management through OPML import and export, feed categorization, and keyword-

Suwayomi-Server is a self-hosted manga server that serves content via OPDS feeds for use with compatible reader applications. It functions as a personal manga library server, allowing users to organize, browse, and read manga from any device with offline support and automatic chapter updates. The server distinguishes itself through its extension-based source abstraction, which loads and executes third-party extensions at runtime to fetch content from various providers. It implements a bidirectional sync protocol using timestamped progress markers to reconcile reading positions across multiple

Tivi is a cross-platform application for discovering and tracking television shows, built with Kotlin Multiplatform and Compose Multiplatform to share its user interface across Android, iOS, and desktop platforms. The app follows the Model-View-Intent (MVI) architecture pattern, where user actions are modelled as sealed class intents that reduce into a single immutable state object, ensuring predictable and unidirectional data flow managed through Kotlin coroutines and StateFlow. The application uses Hilt for compile-time dependency injection and SQLDelight for type-safe local data storage, c