Name | Founded year | Latest stable version | Release year | License | Online | Windows | Mac OS X | Linux | BSD | Programming language | SDK? | Languages | Fonts | Output Formats | Notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Google Drive OCR or Google Cloud Vision | 2015 | Proprietary | Yes | Browser | Browser | Browser | Unknown | Unknown | Yes | 200+ | All fonts | text | Google blog post [1][2] | ||
Tesseract | 1985 | 4.1.1 | 2019 | Apache | No | Yes | Yes | Yes | Yes | C++, C | Yes | 100+[3] | Any printed font | Text, ALTO, hOCR,[4] PDF, others with different user interfaces[5] or the API | Created by Hewlett-Packard; under further development by Google[6] |
ABBYY FineReader | 1989 | 15 | 2019 | Proprietary | Yes | Yes | Yes | Yes | Yes | C/C++ | Yes | 192[7] | All fonts | DOC, DOCX, XLS, XLSX, PPTX, RTF, PDF, HTML, CSV, TXT, ODT, DjVu, EPUB, FB2[8] | ABBYY also supplies SDKs for embedded and mobile devices. Professional, Corporate and Site License Editions for Windows, Express Edition for Mac.[9] |
E-aksharayan | 2010 | Yes | No | Yes | No | 14 | RTF, TXT, BRL | ||||||||
Asprise OCR SDK | 1998 | 15 | 2015 | Proprietary | Yes | Yes | Yes | Yes | Yes | Java, C#,VB.NET, C/C++/Delphi | Yes | 20+[10] | ? | Plain text, searchable PDF, XML[11] | Java, C#, VB.NET, C/C++/Delphi SDKs for OCR and Barcode recognition on Windows, Linux, Mac OS X and Unix.[12] |
AnyDoc Software | 1989 | ? | ? | Proprietary | No | Yes | No | No | No | VBScript | ? | ? | ? | Works with structured, semi-structured, and unstructured documents. | |
CuneiForm | 1996 | 1.1 | 2011-04-19 | BSD variant | No | Yes | Yes | Yes | Yes | C/C++ | Yes | 28 | Any printed font | HTML, hOCR, native, RTF, TeX, TXT[13] | Enterprise-class system, can save text formatting and recognizes complicated tables of any structure |
Dynamsoft OCR SDK | 2003 | 8.2 | 2012 | Proprietary | Yes | Yes | No | No | No | C/C++ | Yes | 40+[14] | ? | PDF, TXT | |
OmniPage | 1970s | 19.2 | 2015 | Proprietary | Yes | Yes | Yes | Yes | No | C/C++, C#[15] | Yes | 125[16] | Machine and handprinted fonts | DOC/DOCX XLS/XLSX PPTX RTF PDF PDF/A Searchable PDF HTML Text XML ePUB MP3 | Product of Nuance Communications |
Microsoft Office OneNote 2007 | 2011 | ? | 2007 | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | ||
GOCR | 2000 | 0.52[17] | 2018-10-15 | GPL | Yes[18] | Yes | Yes | Yes | Yes | C | ? | 20+ | ? | ||
Ocrad | ? | 0.26[19] | 2017-03-31 | GPL | Yes | No | Yes | Yes | Yes | C++ | Yes | Latin alphabet | ? | Command line | |
SmartScore | 1991 | 10.5.8 | 2015-07 | Proprietary | No | Yes | Yes | No | No | ? | ? | ? | ? | For musical scores | |
Microsoft Office Document Imaging | ? | Office 2007 | 2007 | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | Uses OmniPage[citation needed] | |
Puma.NET | ? | ? | 2009-10-29 | BSD | No | Yes | No | No | No | C# | Yes | 28 | Any printed font | .NET OCR SDK based on Cognitive Technologies' CuneiForm recognition engine. Wraps Puma COM server and provides simplified API for .NET applications | |
ReadSoft | ? | ? | ? | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | Scan, capture and classify business documents such as invoices, forms and purchase orders integrated with business processes. | |
Scantron | ? | ? | ? | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | For working with localized interfaces, corresponding language support is required. | |
OCRFeeder | 2009-03 | 0.8.1 | 2014-12-22 | GPL | No | No | No | Yes | No | Python | ? | ? | ? | Features a full user interface and has a command-line tool for automatic operations. Has its own segmentation algorithm but uses system-wide OCR engines like Tesseract or Ocrad | |
OCRopus | 2007 | 1.3.3 | 2017-12-16 | Apache | No | No | Yes | Yes | Yes | Python | ? | All languages using Latin script (other languages can be trained) | Normal Latin script and Fraktur (other scripts can be trained) | TXT, hOCR,[20] PDF[21] | Pluggable framework under active development, used for Google Books |
Name | Founded year | Latest stable version | Release year | License | Online | Windows | Mac OS X | Linux | BSD | Programming language | SDK? | Languages | Fonts | Output Formats | Notes |