youtube-dl

MeTube is a comprehensive web GUI for youtube-dl with playlist support that allows downloading videos from dozens of websites. It provides an intuitive interface for video and audio downloading with extensive format and quality options.

ydl_api_ng is a simple youtube-dl REST API designed to launch downloads on a distant server. It provides a lightweight API interface for remote youtube-dl operations with job management and download control capabilities.

YoutubeDL-Server is a comprehensive Web and REST interface to Youtube-DL for downloading videos onto a server. It provides both web-based and API access for remote video downloading with queue management and server-side storage.