Open-source alternatives to EhViewer

Kotatsu is an open-source manga reader for Android that functions as a content aggregator, offline reader, and progress tracker. It allows users to search for and stream manga from various online catalogues and external web sources, while also providing a local file viewer for reading downloaded content or archives without an internet connection. The application synchronizes reading history and bookmarks across multiple devices via shared accounts and integrates with external tracking services to maintain progress. It uses an extension-based system to scrape metadata and chapters from externa

Hakuneko is a cross-platform manga downloader and multi-platform media scraper designed to save manga and anime images and videos from various websites. It functions as a tool for offline media consumption, allowing users to extract visual content from web sources and save it to local storage. The application enables cross-platform media archiving on Windows, Linux, and MacOS. It focuses on web content scraping to create local archives of images and videos, ensuring content remains accessible without an internet connection. The system manages these tasks through a connector architecture and

MWPhotoBrowser is an iOS photo gallery component and media selection tool. It provides a grid-based browser for displaying photos and videos sourced from local storage, system libraries, or web URLs. The component includes a metadata captioning overlay that maps external text properties to descriptive captions displayed over media. To optimize the browsing experience, it utilizes a disk-based remote media cache that saves web images and videos locally to reduce network requests. The system supports a media selection workflow allowing users to pick multiple items using checkboxes and state-ba

This is a high-performance image component and native caching library for mobile applications. It provides tools for image optimization and asset preloading to reduce visual flicker and increase loading speeds. The project differentiates itself through a mobile asset preloader that downloads remote images into a local cache before they are requested. It also includes a system for assigning loading priority levels to ensure critical visual assets are fetched first and supports remote asset authentication by attaching custom HTTP headers to requests. The library covers a broad range of capabil

This project is a digital magazine archiver and downloader designed to retrieve historical magazine editions from online sources to build a local digital library. It functions as a tool for downloading and organizing publications to ensure long-term offline preservation. The utility manages ebook collections by storing issues in PDF, EPUB, and MOBI formats to maintain compatibility across different reading devices. It uses a date-based directory hierarchy and local file system indexing to categorize electronic publications by publication date and issue number. The system covers digital publi

This project is a comprehensive framework for iOS application development, centered on building mobile applications that feature custom user interface components, asynchronous task management, and local data persistence. It serves as a technical knowledge base for software engineering, providing tools to organize and publish architectural analyses and notes in Markdown format. The framework distinguishes itself through a robust document-based storage layer that utilizes BSON-formatted records to perform CRUD operations within a NoSQL document store. It provides extensive system integration ca

Neutralinojs is a lightweight cross-platform desktop application framework that allows developers to build native applications using web technologies and a C++ backend. It serves as a native system API bridge, enabling JavaScript frontend code to execute system commands and manage files across Windows, macOS, and Linux. The project distinguishes itself as a portable runtime that renders interfaces via the system's built-in webview instead of bundling a full browser engine. This approach enables the packaging of web assets into small, standalone executable binaries. The framework provides com

JHenTai is a specialized gallery client and media browser for accessing adult image galleries and manga. It functions as a multi-source media downloader and local image gallery manager, allowing users to find, view, and save content from remote sources. The application features biometric-based access control, using fingerprint scanning to secure private image libraries and account profiles. It also includes a fallback-based request routing system that redirects content requests to secondary sources when primary data providers fail to respond. The platform covers broad capabilities for conten

Gallery is a JavaScript library for creating responsive media galleries. It provides touch-enabled lightbox views and carousels for displaying collections of images and videos across different web browsers. The library distinguishes itself through a factory-based rendering system that supports diverse content types, including local video playback, external video embedding, and custom HTML content. It features an input-agnostic navigation controller that maps swipe gestures, mouse clicks, and keyboard presses to a single state machine. The project covers high-level capabilities including auto

Android-Universal-Image-Loader is an image loading library for Android applications designed to download, cache, and display images. It functions as a bitmap cache manager and processing framework that handles the retrieval of assets from remote URLs or local files. The library includes specialized utilities for extracting static frames from video files to generate thumbnails. It also provides a framework for applying visual transformations to loaded images, such as circular crops and rounded corners. The system manages performance through a two-tier caching hierarchy using both memory and d

EhPanda is a native iOS application for browsing and managing remote digital galleries and categorized media collections. It functions as a media gallery browser, a BitTorrent content downloader for local archiving, and an SNI proxy network client. The application includes a network layer designed to circumvent regional restrictions and SNI filtering to maintain access to restricted remote services. It further enables digital media archiving by importing external assets and galleries via torrent files for offline storage. The system provides tools for remote gallery browsing, category-based

Übersicht is a desktop widget engine for macOS that renders JavaScript-based widgets as live content directly on the desktop background. Widgets are authored using JSX syntax with inline CSS styling, enabling a React-like component model and automatic code reload without manual refreshing. The engine provides built-in bridges for executing arbitrary shell commands asynchronously, accessing device geographic location with street-level detail, and routing outbound HTTP requests through a local proxy to bypass cross-origin restrictions when fetching external data. Distinctively, widgets can be a

fancyBox is a jQuery-based lightbox plugin and JavaScript modal gallery used to render images and videos within a full-screen overlay. It isolates media from the background page by utilizing a responsive gallery system that dims the rest of the screen to focus attention on the selected content. The tool functions as a touch-enabled content overlay, incorporating support for swipe gestures and pinch-to-zoom for navigating media on mobile devices and tablets. It ensures media scales correctly across different screen sizes through a responsive gallery system. The project covers a broad range of

Magnific-Popup is a JavaScript lightbox library and frontend UI component used to display images, videos, and remote HTML content within a responsive overlay window. It functions as a responsive media gallery, providing a dimmed background to focus viewing on specific content. The library distinguishes itself through its ability to fetch and render remote HTML via asynchronous AJAX requests and its support for thumbnail zoom transitions. It includes a gallery system that groups multiple media items with directional controls, progress counters, and background preloading of adjacent assets to e

Cimoc is a manga reader application and cross-platform ebook viewer designed for reading digital comics and image-based documents. It functions as both an online content aggregator and an offline media library, supporting the display of media from local files and remote web sources. The application integrates various web providers through a custom parser system to fetch and display online content. It includes a synchronization system to save application settings and reading progress to a remote server, maintaining consistency across different devices. Users can customize their reading experi

ivideo is a cross-platform media client and video aggregator that consolidates content from multiple streaming platforms into a single unified interface. It functions as a webview content wrapper that embeds third-party video pages within a native browser component for use across Windows, Mac, and Linux. The project operates as a premium content unlocker by intercepting network requests and modifying headers to bypass subscription requirements and access restricted resources. It further enables regional media access through user-agent spoofing, allowing users to view video streams from specif

PINRemoteImage is an image downloading and caching framework for iOS. It functions as a remote image loader and multi-threaded manager designed to fetch images from URLs and render them into user interfaces. The project includes specialized decoders for rendering GIF and Animated WebP formats. It also features a progressive JPG renderer that displays scans with blur effects to improve perceived loading speed on slow connections. The library manages concurrent download tasks with request deduplication and utilizes a hybrid memory and disk caching system. It handles high-resolution asset scali

TZImagePickerController is an image picker controller for iOS that provides a gallery interface for browsing and selecting photos, videos, and animated GIFs. It serves as a replacement for the standard system image picker, enabling the selection of multiple media assets and the retrieval of original, uncompressed files. The project includes a cropping tool for images into rectangular or circular shapes and a utility for trimming video segments before final selection. It also integrates camera and microphone functionality to capture new photos and videos directly within the application. The c

AndroidImageSlider is a reusable Android UI component designed to display sequences of local or remote images. It functions as a swipeable image viewer and media gallery widget for integrating carousels and banners into Android application layouts. The library provides customizable transition animations for its image slider component. It includes capabilities for presenting photo galleries and introductory slideshows for app onboarding. The component utilizes an adapter pattern for data binding and a scrolling container for navigation. It incorporates image loading with bitmap caching, a pro

Nuke is an image loading system designed to fetch, cache, and render images and short video clips within a user interface. It functions as an asset caching engine and a resumable download manager to handle the retrieval of remote media files. The framework includes a request priority manager to coordinate duplicate requests and order loading based on visual importance. It employs an image prefetching strategy to load visuals into memory before they are required and uses an LRU asset cache to reduce network traffic. The system covers broader capabilities in traffic management and data storage

Viewerjs is a JavaScript image viewer library and frontend media display tool. It functions as an image gallery component and web-based manipulator for rendering images within browser interfaces. The library enables interactive image inspection through zooming, panning, rotating, and flipping operations. It supports both full-screen modal overlays and embedded inline page rendering to accommodate different display requirements. The project includes systems for gallery navigation, such as automated slideshows and index-based selection. It provides interface controls for keyboard-driven naviga

Coil is an image loading and caching pipeline designed for Android and Compose Multiplatform applications. It functions as a comprehensive loader, caching engine, and rendering utility that asynchronously fetches and displays images from network URLs, local storage, and multiplatform resource systems. The library distinguishes itself through a flexible fetcher-decoder pipeline and an interface-driven component registry, allowing for the integration of custom networking clients and decoders. It provides specialized support for rendering scalable vector graphics, animated formats such as GIF an

ZLPhotoBrowser is a mobile image picker library that provides a media gallery interface for selecting photos, videos, and GIFs from a device library. It implements interaction patterns common to social messaging platforms and includes localized support for global users. The library features an integrated camera workflow for capturing new photos and videos directly within the selection process. It also includes an in-app media editor with tools for cropping, drawing, and applying filters to content before it is finalized. The project covers media gallery management, allowing users to organize

Fresco is an Android image loading library and cache manager designed to fetch, decode, and display images from network or local sources. It functions as a rendering engine for animated image formats and a streaming system for progressive image loading. The library distinguishes itself through specialized memory management that utilizes off-heap allocation to reduce garbage collection overhead and prevent out-of-memory errors. It includes a dedicated rendering pipeline for animated GIFs and WebP files and supports progressive JPEG decoding to render low-resolution versions of images while the

WebViewTvLive is an integrated platform that combines a cross-device media dashboard with dynamic channel list management, hardware input mapping, HLS video streaming, and WebView-based IPTV playback for live television delivery. It functions as a WebView IPTV player that streams live television channels through an embedded webview wrapper across mobile and smart display devices, while also serving as an HLS video stream player that handles m3u8 streams directly for live television playback. The project distinguishes itself through its hardware input mapper system that translates physical rem

TiebaLite is a third-party Baidu Tieba client and community forum browser. It functions as a web-based forum wrapper that provides a streamlined interface for navigating public discussion threads and community content. The application focuses on lightweight social networking, allowing users to view forum content and browse community discussions without the overhead associated with official applications. The project utilizes a web-view interface and request interception to modify headers and spoof user agents. It incorporates a proxy-based API wrapping system and local storage state persisten

Glide is an image loading and caching library for Android that fetches and decodes images, GIFs, and video stills from local or remote sources. It functions as a media rendering framework and memory management tool designed to resize and downsample assets to fit specific view dimensions. The system prioritizes scrolling performance through a multi-level caching strategy that stores decoded media in memory and raw data on disk. It employs resource pooling to reuse bitmap memory and binds image loading tasks to component lifecycles to automatically release resources and prevent memory leaks. T