A SaaS and PWA packed with interactive features for the best user experience to play free guitar and ukulele tabs for JW songs: - Interactive alpha tabs - Personalized settings and themes - Save favorite songs - Create playlists - Play songs with mini-player - Sync data across devices - Comment system - Chatbot support - Admin panel - Analytics - Billing system (Lemonsqueezy integration) - Trial system - Progressive Web App (PWA)