AK
- Tesseract https://github.com/tesseract-ocr/tesseract
- EasyOCR https://github.com/JaidedAI/EasyOCR
- Ocropy https://github.com/ocropus/ocropy https://github.com/jze/ocropus-model_cyrillic
- Asprise http://asprise.com/royalty-free-library/python-ocr-api-overview.html
- FineReader / ABBYY Cloud OCR SDK https://cloud.ocrsdk.com
- Yandex Cloud Vision API https://cloud.yandex.ru/docs/vision/operations/ocr/text-detection
- Google Cloud Vision API https://cloud.google.com/vision/docs/ocr
- Microsoft Office Document Imaging https://t.me/natural_language_processing/15431
- Cuneiform https://launchpad.net/cuneiform-linux