Lore: A Free App for YouTubeVideo Downloading, also Builds YouTube Playlists Without Signing In

TL;DR: Lore is a free Mac app that follows YouTube channels over plain RSS, no algorithm, no Google account, then archives what you keep as a permanent offline file with transcript search, highlights, and SponsorBlock built in. The site's source-code link 404s, so don't take open source on faith. Alternatives...