Adobe Acrobat DC, CamScanner, NAPS2, ABBYY FineReader PDF, TextSniper, CopyFish, Prizmo, Paperwork, Chronoscan, Image To Text, OSS Document Scanner, GImageReader, Adobe Scan, Tesseract, Google Cloud Vision API, OpenScan, FreeKapture, LensOCR, OCRopus, Adlib PDF, Anyline, CloudScan, PDF OCR, Text UP, OCRmyPDF, Smart Scanner, OmniPage Cloud Service, Condense, Ocrkit, OCR Online, Text-R, TextDetective, contentCrawler, Free OCR to Word, ZoomReader, doXiview, OCR Pro+ are some alternatives to OwlOCR.