Documents
Paperless-ngx
Self-hosted document manager that OCRs, tags, and archives scanned paperwork.
Brax recommends
Paperless document archive for households and small businesses that want to ditch filing cabinets.
Paperless-ngx turns a folder of scans into a searchable, tagged archive with full-text OCR and mail ingestion. It is a natural pairing with a home NAS and a document scanner.