The OSS Document Scanner is a free and Open Source app to transform your mobile device into a powerful document scanner.




The best free alternative to Tesseract is OSS Document Scanner, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Tesseract and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Tesseract are Open Scanner, ClarifyDocuments, Scan Thing: Scan Anything and gscan2pdf.
The OSS Document Scanner is a free and Open Source app to transform your mobile device into a powerful document scanner.




Open Scanner is a fast and simple-to-use paper-scanning app with AI features to speed up your scanning workflow:




ClarifyDocuments is a free AI tool that converts PDFs, images, and slides into clean, editable text. It automatically cleans, organizes, and processes content in any language, helping students and educators focus on learning.


Scan Thing is the quickest way to capture and save anything around you. Scan Thing is available on iOS, iPadOS, and MacOS.




gscan2pdf can scan, clean the scan and do OCR on the scan or imported images (incl. existing PDFs, DjVus or other file types), and make PDF and DjVu-files with embedded OCR-text. It works together with tesseract, ocropus, cuneiform an...

Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.

OwlOCR offers simple optical character recognition of text in PDF files, images or on-screen and converts that to plain text.




OCRopus(tm) is a state-of-the-art document analysis and OCR system, featuring pluggable layout analysis, pluggable character recognition, statistical natural language modeling, and multilingual capabilities.

Chandra is a highly accurate OCR model that converts images and PDFs into structured HTML/Markdown/JSON while preserving layout information.





CuneiForm (OpenOCR) is a text recognition software for printed templates. Manuscripts or PDF-files, the program can not recognize, however, but table structures. The language-model is applicable for 20 languages, and the results can be used as HTML, RTF or ASCII text to save, or...


Project Naptha automatically applies state-of-the-art computer vision algorithms on every image you see while browsing the web. The result is a seamless and intuitive experience, where you can highlight as well as copy and paste and even edit and translate the text formerly...
