Open-source alternatives to Celluloid

Popcorn Desktop is a multi-platform video aggregator and BitTorrent media streamer that provides a unified interface for watching movies and television series. It functions as a local media player capable of rendering video files stored directly on the host file system. The application distinguishes itself by acting as a content dataset publisher, exporting large movie and series catalogs in columnar formats to facilitate analysis by external researchers. Its broader capabilities include aggregated content federation and stream routing across multiple platforms, allowing for the integration

mps-youtube is a YouTube terminal client and command-line media player. It allows users to search for, stream, and play YouTube videos and audio directly within a terminal emulator without requiring an API key. The project functions as a media downloader and search tool, providing capabilities to save video and audio content to the local file system in various formats and resolutions. It includes specialized discovery tools for finding music albums and matching individual tracks based on metadata. The software covers a broad range of media management capabilities, including headless media co

Vesktop is an Electron-based desktop client for Discord that runs natively on Linux, offering improved performance and deeper system integration compared to the official web app. It wraps Discord in an Electron shell to provide a lightweight, native desktop experience while adding a privacy protection layer that blocks Discord's access to system-level information such as running processes and hardware details. The client distinguishes itself through comprehensive Linux desktop support, including full Wayland display protocol integration for better performance on modern Linux desktops, screen

IINA is a high-performance media player for macOS built on the mpv engine. It serves as a video player with broad codec support and a web media streamer that uses plugins to stream and download online video content for local playback. The application features a customizable multimedia interface with flexible themes and layouts tailored for the macOS desktop. It integrates a JavaScript scripting engine and a plugin system to extend player functionality and parse media URLs from the web. Core capabilities include multimedia playback with support for subtitles and playlists, as well as a pictur

This project is a media player software and digital television receiver designed for rendering a wide variety of audio and video file formats and digital broadcast signals. It functions as a DirectShow media player, providing a video rendering interface for managing output settings and visual quality. The software includes capabilities for digital television tuning, enabling the capture, recording, and playback of live broadcast signals via compatible hardware tuner cards. It also features hardware-accelerated media decoding and internal decoder integration to ensure multi-format playback acr

Namida is a multi-format media player, music library manager, and network media streamer. It provides a unified interface for playing local and remote audio and video files, serving as both a specialized client for YouTube content and a synchronized lyrics player. The project distinguishes itself through a dynamic theme engine that generates artwork-based visuals and a comprehensive set of audio processing tools, including gain normalization, equalizers, and crossfading. It also features a specialized system for retrieving and displaying time-synced lyrics in formats such as LRC and TTML. Br

This project is a cross-platform media center, player, and digital media library manager. It serves as a centralized home theater hub for organizing, managing, and playing digital audio and video files across multiple operating systems. The application features a skinable media interface designed for remote control and ten-foot interface optimization. This is supported by a skinning engine that separates visual layout from application logic, allowing for custom user interface designs. The system provides automated media library organization by scanning folders to generate structured database

Spotube is a cross-platform music client that functions as a unified streaming aggregator. It consolidates multiple external music service accounts into a single interface, allowing users to manage and play their entire digital library without switching between different applications. The application distinguishes itself through an extensible architecture that supports runtime plugin loading. This allows users to integrate external metadata services and expand the core playback engine with custom functionality. By utilizing an internal API-aggregator, the software harmonizes disparate data st

Yattee is a privacy-focused video player and multi-backend video aggregator designed for streaming online content without tracking, ads, or account requirements. It functions as a cross-platform application that collects video content from self-hosted servers, third-party APIs, and decentralized platforms into a single interface. The project features SponsorBlock integration to automatically skip sponsored or promotional segments using a community-sourced timestamp database. It also includes an Invidious-compatible API server that can replace standard endpoints to facilitate private playback.

Firefox-UI-Fix is a collection of CSS stylesheets, style overrides, and a UserChrome framework designed to redefine the layout and appearance of the Firefox web browser. It functions as a browser interface customizer and styling kit that uses CSS injection and DOM overrides to modify the browser shell. The project distinguishes itself by providing deep integration with host operating systems, allowing the browser's window decorations, menus, and themes to match system accent colors and native desktop aesthetics. It includes specialized capabilities for modifying the visual hierarchy of the in

BBLL is an Android TV media application designed to serve as a third-party client for the Bilibili video platform. It provides a native interface optimized for large-screen displays, allowing users to browse and watch streaming content directly on television hardware. The application distinguishes itself by offering a custom viewing experience that integrates specific controls for remote navigation and touch-based input. It manages media playback through a dedicated interface that supports gesture-based seeking and adjustment, ensuring consistent interaction across different hardware environm

xgplayer is a plugin-based HTML5 video player framework that supports multiple streaming formats including MP4, FLV, HLS, and dash. It is built on a component architecture that allows developers to extend functionality through self-contained plugins, with staged loading protocol adapters that reduce bandwidth usage. The player includes a strategy center for dynamic optimization that adjusts buffering, bitrate, and source selection in real time to reduce first-frame delay and playback stalling. The player distinguishes itself through support for ultra-low latency live streaming with time-shift

This project is a multi-room music server and library aggregator that centralizes local audio files and various streaming services into a single unified database. It functions as a media controller for DLNA and UPnP devices, enabling the management of music, podcasts, and audiobooks across networked speakers. The system is distinguished by its ability to synchronize audio playback across multiple speakers and brands simultaneously. It features a digital signal processor for loudness normalization and frequency correction, alongside an acoustic fingerprinting engine used for metadata enrichmen

This project is a graphical user interface for the command-line media engine, designed to simplify complex playback management and configuration for desktop users. It functions as a cross-platform media player that provides a visual layer for controlling local and remote video files, hardware-accelerated rendering, and advanced shader processing. The application distinguishes itself by replacing manual text-based configuration and command-line arguments with centralized visual menus. It enables users to manage engine parameters, rendering drivers, and performance profiles through an intuitive

Anki is a cross-platform flashcard management system designed to optimize long-term memory retention through spaced-repetition learning. It functions as a digital learning assistant that uses active recall practice and automated scheduling algorithms to determine the ideal timing for card reviews based on individual performance history. The core system relies on a local relational database to ensure data persistence and portability, while supporting complex study workflows through flexible note-type schema modeling and template-driven content rendering. The platform distinguishes itself throu

Sewise-player is a comprehensive media playback solution designed for cross-platform video delivery and live broadcast management within web environments. It provides a unified framework for rendering audio and video content, automatically selecting optimal playback technologies to ensure compatibility across diverse browser and device configurations. The player distinguishes itself through a robust programmatic interface that allows developers to manipulate playback states, manage stream switching, and build custom interactive plugins. It supports extensive interface customization, enabling

MPC-BE is a cross-format video player and Windows media player designed for the local playback of audio and video files. It functions as a DirectShow media player, utilizing the DirectShow framework to render a wide variety of digital media formats on Windows systems. The project focuses on high-quality video rendering and the playback of high-resolution files. It employs a custom renderer pipeline and Direct3D surface rendering to manage scaling, color space conversion, and low-latency display. The player incorporates hardware-accelerated decoding to offload decompression to the GPU and sup

Nextplayer is a cross-platform mobile media player designed for playing audio and video from local storage and remote URLs. It functions as a playback engine that supports various codecs and containers through software-based media decoding. The application features a floating picture-in-picture window for multitasking and an external subtitle renderer that synchronizes and displays SRT, SSA, and VTT files as on-screen overlays. It includes a touch-based interface that maps specific swipe and pinch gestures to volume, brightness, and seeking controls. The project covers multi-source media str

Iptvnator is an Electron-based desktop application for streaming live television and radio. It serves as an IPTV player and playlist manager that supports M3U, Xtream Codes, and Stalker portals, providing a unified interface for organizing and viewing media lists. The application functions as both an internal player and an external player wrapper, allowing users to hand off stream URLs to native third-party media players to bypass browser codec limitations. It includes a dedicated XMLTV program guide that maps external schedule data to live channels for broadcast discovery and catchup feature

linux-wallpaperengine is a live wallpaper engine for Linux distributions. It functions as a controller for rendering animated backgrounds and interactive wallpapers on the desktop. The project integrates assets from the Wallpaper Engine ecosystem and provides a manager for multi-monitor setups. Users can assign unique animated backgrounds to individual screens or stretch a single image across multiple displays. The engine includes capabilities for managing wallpaper audio and modifying visual properties to match specific aesthetics. It also features a resource optimizer that pauses animation

VLC is a cross-platform multimedia player and framework designed to decode and render virtually any audio or video format, network stream, or physical disc without requiring external codecs. It functions as both a standalone application and a portable library, providing a modular architecture that allows developers to integrate playback, filtering, and streaming capabilities into third-party software. The project distinguishes itself through a highly modular plugin-based engine that supports real-time media processing, including format transcoding and the application of audio and video filter

This project is a high-performance, terminal-based media player designed for efficient audio and video playback. It utilizes a modular decoding core to handle a wide range of multimedia formats while offloading frame processing to platform-specific hardware-accelerated rendering pipelines to minimize CPU overhead. Beyond its standalone utility, the software functions as an embeddable multimedia engine, providing a native library interface that allows external applications to integrate its advanced decoding and rendering capabilities directly into their own interfaces. The player is distinguis

Screenbox is a media player application designed for playing local and network video files. It functions as a network media streamer and a video casting client, enabling the browsing and streaming of media over a local network or to external remote viewing devices. The application features a picture-in-picture mode that detaches video content into a floating window that remains on top of other applications. It also supports gesture-based playback control, allowing users to seek through content and adjust volume levels using mouse or touch gestures. Additional capabilities include video frame

Macast is a cross-platform desktop application that turns a computer into a DLNA media receiver, allowing users to stream video, music, and photos from mobile devices directly to their desktop. It runs as a background service in the system tray or menubar, listening for incoming DLNA requests without requiring an open application window, and uses the mpv media player for all decoding and rendering. The application distinguishes itself through its extensible architecture, supporting custom renderer logic and third-party player integration. Users can write small code snippets to add features li

Listen1 Desktop is a cross-platform music aggregator that consolidates audio content from multiple online streaming services into a single interface. It functions as a unified media player, allowing users to search, organize, and play tracks from diverse web-based providers within one application. The software distinguishes itself by normalizing disparate data structures from various streaming platforms, enabling a consistent experience for managing personal playlists and music libraries. By centralizing these sources, it removes the need to switch between different applications to access aud

Pilipala is a mobile video streaming client designed to provide a third-party interface for the Bilibili media platform. It enables users to browse, search, and consume streaming media content through a unified mobile application. The application distinguishes itself by offering extensive playback customization, allowing users to adjust playback speed, subtitle synchronization, and screen orientation to suit their preferences. It also integrates social interaction features, enabling users to engage with creators and other viewers by liking videos, sharing content, and participating in public

TVBoxOSC is a cross-platform media player and home theater manager designed to consolidate diverse online video sources into a single, centralized interface. It functions as a unified streaming client that allows users to browse and play media content from multiple remote providers within a consistent viewing environment. The application distinguishes itself through a plugin-based architecture that enables the integration of external content sources via scripts and pattern-matching extraction. Users can dynamically inject configuration settings to update these remote provider definitions at r