Alternatives to gscan2pdf
Linux graphical program for scanning documents and saving them as PDF or DjVu files. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
gscan2pdf
Linux graphical program for scanning documents and saving them as PDF or DjVu files.
Replacements
Listings that take over the same core job as gscan2pdf.
NAPS2
Simple document scanning to PDF with built-in OCR.
NAPS2 scans to PDF with built-in OCR and runs on Windows and macOS as well as Linux, but it does not write DjVu files.
Document Scanner
GNOME's simple scanning app, formerly Simple Scan, for saving scanned documents as PDFs or images.
Document Scanner is GNOME's minimal scanning app saving PDFs or images on Linux, with fewer advanced options and no DjVu output or PDF import.
Paperwork
A personal document manager that scans or imports papers and makes them searchable.
Paperwork scans or imports papers into a searchable document library with automatic labels, running on Linux and Windows rather than just saving individual PDFs.
Similar software
Related functionality, not a direct replacement.
ScanTailor Advanced
Desktop tool for cleaning up, deskewing, splitting and dewarping scanned book and document pages.
Tesseract OCR
The open-source OCR engine behind most free text recognition tools.
PDF Arranger
Drag PDF pages into the order you want, rotate them, crop them, and merge two files together.
Papermerge OSS
Self-hosted document archive with OCR, tagging and full-text search.
PDF Mix Tool
A lightweight open-source Linux app for merging, splitting, rotating and rearranging PDF pages.