https://4lbis.tuxlab.site/ 2026-04-01 weekly 1.0 https://storage.googleapis.com/gpt-engineer-file-uploads/0DF3nyOlpvVrIs6LUBuygCHsVUf2/social-images/social-1772025023084-favicon.webp 4Lb-is — Software Open Source per Ricerca Documenti Offline Interfaccia di 4Lb-is: indicizzazione e ricerca documenti locali, accessibile WCAG 2.1 AA