Open-source alternatives to BBDown

N_m3u8DL-RE is a command line tool designed for capturing and saving on-demand or live video streams from M3U8 manifest files. It functions as an HLS stream recorder and downloader capable of capturing adaptive bitrate streams and recording live broadcasts with real-time merging and specific duration limits. The tool features an AES encrypted stream decrypter that removes encryption from media segments using provided keys and external decryption engines. It also includes a media muxer that integrates with the FFmpeg engine to combine downloaded audio, video, and subtitle tracks into a single

Bili23-Downloader is a cross-platform tool designed for downloading high-quality videos, audio streams, and subtitles from the Bilibili platform. It functions as a media downloader and metadata extractor, enabling the backup and archival of online content to local storage. The project includes a media file organizer that uses custom naming templates to sort content into structured directory systems. It also provides utilities for exporting subtitles and scrolling comments, embedding cover art into video files, and selecting specific resolutions and audio formats. To increase retrieval speed,

biliup is an automated live stream archival and video management system designed to record broadcasts and upload content to platforms. It functions as a stream recorder, video upload tool, and cross-platform migrator that handles the transfer of content from various sources to a target service. The project enables cross-platform video migration by downloading content from external sources and redistributing it via automated pipelines. It supports headless video management through a server-based interface and programmatic uploading tools that operate without manual browser interaction. Core c

This project is an Apple TV video application and API client for Bilibili, designed to stream video content with support for HDR and subtitles. It serves as a specialized media player that integrates with Bilibili services to provide video discovery and user account management. The application features a real-time danmaku renderer that overlays scrolling user comments on top of video playback. It includes a plugin-based player system for adding custom overlays and behavioral modifications, as well as tools for adjusting playback speed and skipping sponsored segments. The system covers adapti

Wiliwili is a cross-platform third-party video player for Bilibili content. It functions as a multi-platform media interface compatible with PCs, handheld devices, and game consoles, including Nintendo Switch, PlayStation, and Xbox. The application features a unified interface that supports game controller navigation, keyboards, and touchscreens. It integrates account synchronization for viewing history, favorites, and followed series via QR code authentication. The system includes hardware-accelerated video decoding and dynamic upscaling filters to improve visual clarity and playback smooth

Bili.Copilot is a native Windows desktop client for Bilibili that integrates large language models to provide AI-enhanced media browsing and video summarization. It functions as a media browser and video summarizer, enabling users to generate concise overviews of videos and articles by processing subtitles and text. The application allows users to interact with AI models to query specific information and evaluate content within videos. These capabilities are delivered through a native Windows interface built with the Windows App SDK and WinUI. The software covers media management and content

N_m3u8DL-CLI is a cross-platform .NET command-line interface designed for extracting and recording adaptive video streams. It functions as an HLS and DASH downloader that retrieves media from m3u8 and DASH playlist files, including the ability to capture ongoing live broadcasts with automatic duration limits. The tool includes a dedicated AES-128-CBC stream decryptor to handle protected video segments using provided keys and initialization vectors. To optimize transfer speeds, it utilizes a multi-threaded download model and supports custom HTTP header management to bypass server restrictions.

ZeroBot-Plugin is an extensible plugin framework for QQ group bots, providing a modular system that adds automation, AI chat, image generation, and moderation capabilities to chat environments. The project is built around a collection of plugin modules that each handle specific functions, from scheduling recurring commands to managing group member interactions. The framework distinguishes itself through its integration of AI-powered features, including configurable large language model chat with image recognition support, alongside automated content moderation that scans text and images again

SpringBoot-Shiro-Vue is a permission management framework and role-based access control system. It provides a backend implemented with Spring Boot and a frontend built with Vue.js to manage user roles and map them to specific interface and API access rights. The project utilizes a token-based authentication system to verify user identities and enable stateless communication between the frontend and backend. It implements granular UI permission control to show or hide specific buttons and interface elements based on the current user's assigned access rights. The framework covers API security

downkyicore is a cross-platform desktop application designed for the automated batch downloading of Bilibili videos, including support for high-resolution 8K and HDR content. It functions as a batch media downloader that manages multiple files and collections simultaneously through an automated queue system. The project integrates FFmpeg for media processing to separate audio and video streams and remove watermarks. It uses specialized mechanisms to bypass access restrictions and rate limits by employing random identifiers and mobile referrers during the parsing process. The system includes

Bili.Uwp is a third-party video client and native desktop application for the Windows operating system. It functions as a Universal Windows Platform application designed to provide access to Bilibili video streams and community content outside of a standard web browser. The project focuses on Bilibili desktop access, enabling Windows video streaming through a dedicated interface. It integrates with the Windows UI Library to provide a native system experience for browsing and interacting with platform content.

Satellizer is an authentication library for AngularJS applications designed to manage user sign-in and session persistence using security tokens. It functions as a client-side implementation for exchanging credentials for tokens and attaching authorization headers to network requests. The library handles identity integration through a token manager that supports both email-based authentication and external OAuth providers. It enables the authorization of users via third-party services using secure popup windows and allows for linking or unlinking external accounts to a user profile. The proj

This project is a starter template for building secure web services and REST application backends using Node.js, Express, MongoDB, and JSON Web Tokens. It provides a foundation for server-side development, incorporating document mapping for database integration, cryptographic token authentication, and role-based access control. The system features user account administration, automated database seeding and cleanup scripts, dynamic file-based routing, and environment-based configuration management. Security features include brute-force protection through failed login tracking and request activ

BiliBiliToolPro is an account automation tool for Bilibili designed to manage multiple profiles, claim rewards, and maintain session cookies via QR code authentication. It functions as a growth bot and reward collector that automates daily activities to increase account rank and experience points. The project is built as a containerized automation suite, allowing for scheduled task execution across Docker, Kubernetes, or other automation panels. It features multi-account profile isolation, which separates user credentials and session data to execute tasks independently for different accounts.

This project is a desktop application designed for archiving video content and animation series from the Bilibili platform to local storage. It functions as a media download manager that enables offline access to single-part clips and multi-part series by resolving remote video identifiers and manifests into downloadable file paths. The application distinguishes itself by supporting authenticated access, allowing users to inject stored session cookies to retrieve high-definition streams and premium content that would otherwise be restricted. It also incorporates download acceleration through

The Hugging Face Hub Python client is a library that provides programmatic access to the Hugging Face Hub, a centralized platform for hosting and collaborating on machine learning models, datasets, and demo applications. It serves as the primary SDK for interacting with the Hub's API, enabling users to download and upload models and datasets, manage repositories, authenticate via tokens or OAuth, and run inference on hosted models through a unified interface. The client distinguishes itself through a comprehensive set of capabilities that go beyond basic file transfer. It includes a CLI exten

s-ui is a web-based management interface for Xray VPN protocols. It provides a graphical user interface for configuring and monitoring network protocols, inbounds, and outbound routing rules. The project includes a VPN subscription manager for generating and distributing configuration links to clients, as well as an access controller to enforce data usage caps and account expiration dates. Administrative access is secured through token authentication and SSL encryption via custom certificates. The system provides observability tools for tracking real-time CPU, memory, and network traffic met

HuLa is an open-source communication suite and cross-platform chat client designed for real-time instant messaging, voice, and video calls. It functions as an LLM-integrated messaging platform and an AI-powered social manager that synchronizes user data and settings across different operating systems. The platform integrates large language models to provide automated AI assistants, real-time message translation, and chat log summarization. It further utilizes artificial intelligence for user sentiment analysis to assist with social matching and risk management. The system includes a high-per

Passwordless is a Node.js authentication library that enables secure user identity verification using one-time tokens instead of traditional passwords. It functions as a middleware-based identity provider, protecting application routes and resources by validating these tokens before granting access. The library distinguishes itself through a highly decoupled architecture that separates token generation, verification, and delivery. Developers can implement custom token delivery strategies to dispatch authentication codes via email, SMS, or voice services. Furthermore, the system supports both

udemy-downloader-gui is a desktop application designed for archiving Udemy course videos and materials to a local drive. Its primary purpose is to enable offline learning and the creation of local content backups for purchased courses. The tool supports batch downloading of multiple courses and video lessons simultaneously. It manages the retrieval process by preserving the original folder and file structure of the course content and provides controls for selecting video quality and managing active transfers. Access to content is handled through user account authentication using security tok

This project is a three-dimensional developer portfolio template and web application. It uses Three.js to render interactive 3D models, animations, and environmental effects directly within the browser to create an immersive professional showcase. The application integrates artificial intelligence to provide automated responses to visitor inquiries and includes a community forum where authenticated users can share knowledge. It also features a system for generating personalized learning roadmaps based on user profile data and an algorithmic content recommendation system to improve post discov

This project is a Node.js Express REST API reference implementation for a blogging platform. It serves as a structured blueprint for building server-side applications, demonstrating the integration of content management, user profiles, and social following. The implementation features a stateless identity management layer using cryptographically signed tokens to secure private resources and manage user sessions. It also includes social networking primitives for tracking user relationships to facilitate activity feeds and content discovery. The backend covers relational database management th

This is a Java library for creating and verifying JSON Web Tokens (JWTs), supporting multiple cryptographic signing algorithms including HMAC, RSA, and ECDSA. The library provides a builder pattern for constructing tokens with custom claims and algorithm selection, and offers separate verification methods that check signatures and validate standard claims such as expiration, issuer, and audience. The library abstracts cryptographic algorithms behind a common interface, allowing pluggable signing and verification without coupling token creation to a specific algorithm. Tokens are represented a

Remotely is a remote desktop management suite and multi-tenant device orchestrator designed for organizing users and machines into isolated organizations. It serves as a centralized system for controlling remote screens, executing scripts on distant machines, and managing remote support ticketing. The platform distinguishes itself through a dedicated remote session archiver that records and saves desktop control sessions to a central server for auditing and security reviews. It also includes a public-facing support portal where end users submit requests that trigger notifications on an admini

This project is a full-stack web application designed for real-time messaging and user account management. It provides a platform for exchanging text messages instantly and tracking the active network status of participants to indicate availability. The application utilizes a unified JavaScript stack to handle both client-side interface rendering and server-side data processing. It features a single-page application architecture that updates the user interface dynamically without requiring full page reloads, while maintaining persistent bidirectional connections to ensure that conversations u

This project is a password management backend designed to store and synchronize encrypted credentials across multiple devices and client applications. It serves as a secure central server that enables the management of secret vaults and password data. The system supports self-hosted secret storage, allowing users to run a private vault on their own hardware to maintain control over their data. It facilitates cross-platform credential syncing to keep passwords updated in real time across various operating systems. The backend is built with a REST-based API gateway, token-based session managem

This project is a comprehensive sample library and implementation guide for ASP.NET Core. It provides a collection of practical examples and projects that demonstrate how to build web applications, RESTful APIs, and high-performance services. The repository focuses on a variety of architectural patterns, including the development of Minimal APIs, contract-first gRPC services, and real-time communication using WebSockets and Server-Sent Events. It includes detailed implementations for user identity and security, such as token-based authentication and CSRF protection. The codebase covers a bro