cyanfish/naps2
Scan documents to PDF and more, as simply as possible. observed · 2026-08-28
Health v2 · maintenance only
97/100
- Activity 99
- Release rhythm 94
- Longevity 100
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: 8
- age_days: 4063
- days_rel: 42
- days_push: 10
- n_releases_24m: 12
Adoption not part of the score
4464 stars · 451 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
NAPS2 is a free, open-source document scanning application for Windows, Mac, and Linux that supports WIA, TWAIN, SANE, and ESCL scanners and saves scans as searchable PDF, TIFF, JPEG, or PNG files with Tesseract-based OCR. It also ships NAPS2.Sdk, a .NET scanning library, plus a CLI for automation.
Use cases
- scan documents to searchable pdf
- scan with twain or wia scanner on linux
- add ocr to scanned pdfs
- share a scanner over the network
- batch scan documents from command line
- scan duplex documents with adf
- embed scanning into a .net app
When to choose
- you need a simple, free scanner app across Windows, Mac, and Linux
- your scanner uses WIA, TWAIN, SANE, or eSCL drivers
- you want searchable PDFs with OCR in 100+ languages
- you need a .NET scanning library or CLI automation for businesses
When to avoid
- you need photo editing or advanced image management beyond scanning
- you want a mobile-first scanning solution
- you need a license other than GPL/LGPL for the desktop app
Facets
application · maturity active
ocr pdf image-processing cli gui sdk pdf developer-tools files cross-platform windows dotnet cli document-scanning twain wia sane escl tesseract scanner-drivers network-scanning pdf-ocr macos linux desktop
3 sources
- readme: https://github.com/cyanfish/naps2 · fetched 2026-08-28 · 4361c16c3ecf
- homepage: https://www.naps2.com · fetched 2026-08-29 · 4aff69415bac
- site_page: https://www.naps2.com/download · fetched 2026-08-29 · 8bc132946aac
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| cyanfish/naps2 | main | 97 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem