Invidious is an alternative front-end to YouTube. It features: Copylefted libre software (AGPLv3+ licensed). Audio-only mode (and no need to keep window open on mobile). Lightweight (the homepage is ~4 KB compressed). Tools for managing subscriptions: Only show unseen videos. Only show latest (or latest unseen) video from each channel. Delivers notifications from all subscribed channels. Automatically redirect homepage to feed. Import subscriptions from YouTube. Dark mode. Embed support. Set default player options (speed, quality, autoplay, loop). Support for Reddit comments in place of YouTube comments. Import/Export subscriptions, watch history, preferences. Developer API. Does not use any of the official YouTube APIs. Does not require JavaScript to play videos. No need to create a Google account to save subscriptions. No ads. No CoC. No CLA. Multilingual (translated into many languages).