Compare software

Tesseract OCRRescribe
Free

Free and open source under the Apache licence.

 Free

Free and open source under the GPL-3.0 licence.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Over a hundred languages, with trainable models
  • Outputs searchable PDFs directly, not just text
  • Tuned for historical printed books
  • Outputs searchable PDF and plain text
  • Accuracy depends heavily on image preprocessing you must do yourself
  • No interface of its own; it is a command line engine
  • macOS users may need to authorize the app in security settings
  • Extra languages and scripts are a separate download
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.