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ElectricRCAircraftGuy committed Jan 24, 2020
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# GUIs and Other Projects using Tesseract OCR

## GUI
## 1. GUIs

| **Name** | **Linux** | **Mac** | **Windows** | **License** | **Description** |
|:---------|:----------|:--------|:------------|:------------|:----------------|
Expand All @@ -26,7 +26,8 @@
| [PDF OCR X](http://solutions.weblite.ca/pdfocrx/) | | X | X | Proprietary | PDF OCR is a simple drag-and-drop utility for Mac OS X and Windows, that converts your PDFs and images into text documents or searchable PDF files |
| [TaxWorkFlow](https://thetaxworkflow.com)| | | X | Proprietary | TaxWorkFlow is an accounting practice management application that includes GUI frontend for Tesseract OCR engine. The app supports AVX and allows to create OCR'ed PDF files of selected resolution and compression from PDF files and 100+ image file formats. |
| [AmhOCR](https://github.com/KumnegerH/AmhOCR) | | | X | GPLv3 | Tesseract Powered Windows Desktop OCR Application With Multiple Pre/Post Processing GUI |
## Online OCR services

## 2. Online OCR services

* [OCR.net](http://ocr.net): Powered by PDF OCR X in back-end. Converts PDFs and Images to Text or searchable PDF.
* [WeOCR](http://ocr1.sc.isc.tohoku.ac.jp/e1/): is a platform for Web-enabled OCR (Optical Character Reader/Recognition) systems that enables people to use character recognition over networks
Expand All @@ -35,8 +36,7 @@
* [i2OCR](http://www.i2ocr.com/)
* [Indic-OCR OCR Service](https://indic-ocr.github.io/ocrservice/) An online OCR service for Indian languages


### Mobile
## 3. Mobile

* _Android_:
* [tess-two](https://github.com/rmtheis/tess-two) - A fork of Tesseract Tools for Android [tesseract-android-tools](http://code.google.com/p/tesseract-android-tools/) that adds some additional functions.
Expand All @@ -54,48 +54,55 @@
* _More OS_:
* [ScanBizCards](http://www.scanbizcards.com): Mobile solution for business card scanning. _Requirements:_ iPhone 4/iPhone 3/Android 2.0

## Others
* [ocr-fileformat](https://github.com/UB-Mannheim/ocr-fileformat) - Validate and transform between OCR file formats (hOCR, ALTO, PAGE, FineReader)
* [Tess4J](https://github.com/nguyenq/tess4j) - A Java JNA wrapper for Tesseract OCR API.
* [Traineddata inspector](https://mazoea.com/te/traineddata/) - to inspect some of the internals of traineddata files
* [TopOCR](http://www.topocr.com/) - high Quality OCR for Cameras with tesseract-ocr support (paid product)
* [Simple OCR Web Server](https://github.com/ybur-yug/python_ocr_tutorial) using python, flask, tesseract-ocr, and leptonica
* [Display OCR](https://github.com/arturaugusto/display_ocr) is OpenCV-Python + python-tesseract real-time image preprocess and OCR of 7 segments font.
* [OpenOCR](https://github.com/tleyden/open-ocr) makes it simple to host your own OCR REST API.
* https://github.com/guitarmind/tesseract-web-service is An implementation of RESTful web service for tesseract-OCR using tornado
* [RasterEdge .NET Image SDK - OCR Recognition](http://www.rasteredge.com/dotnet-imaging/addon-ocr-sdk/) is robust, high-performance recognition application of royalty-free distribution for desktop or server applications.
* [DevScope OCR SDK](http://www.devscope.net/products/DevScopeOCR) is an Optical Character Recognition toolkit engine based on Tesseract OCR v3 that allows to develop applications using Microsoft .NET framework
* [Paperwork](https://github.com/jflesch/paperwork) - using OCR to grep dead trees the easy way (requires pyocr)
* [Aletheia](http://www.primaresearch.org/tools.php) - An Advanced Document Layout and Text Ground-Truthing System for Production Environments
* [gscan2pdf](http://gscan2pdf.sourceforge.net/) a GUI to produce PDFs or DjVus from scanned documents
* [Audiveris](http://audiveris.kenai.com/) is an open-source Optical Music Recognition software which processes the image of a music sheet to automatically provide symbolic music information in MusicXML standard.
* [Ocrivist](https://code.google.com/p/ocrivist/) is a utility which makes it possible to scan and OCR books and other printed documents to PDF or Djvu format.
* [thu-ipv6-login](https://code.google.com/p/thu-ipv6-login/) a python script for IPv6 authentication in Tsinghua University with support for OCR of authcode
* [Wolfram Mathematica 9.0](http://www.wolfram.com/mathematica/) use tesseract for [recognizing text](https://groups.google.com/d/msg/tesseract-ocr/NmxFclHcsAE/-KaiT5oJ8oQJ)
* [node-dv](https://github.com/creatale/node-dv) is a node.js library for processing and understanding scanned documents
* [hocr-tools](https://github.com/tmbdev/hocr-tools) - python tools for manipulating and evaluating the hOCR format for representing multi-lingual OCR results by embedding them into HTML. They include hocr-pdf tool for creating searchable pdf.
* [PyPDFOCR](https://github.com/virantha/pypdfocr) - Tesseract-OCR based PDF filing
* [OCRmyPDF](https://github.com/jbarlow83/OCRmyPDF) - Adds OCR text layer to scanned PDF files and images, allowing them to be searched. Processes pages in parallel on multi-core CPUs. Keeps exact resolution of original embedded images without recompressing JPEGs, when possible. Includes image several preprocessing options, detailed documentation, and support for many exotic PDFs.
* [ChronoScan](http://www.chronoscan.org) is a complete suite for document Scanning & Data Entry
* [speedy-ocr](http://www.donaldmarang.org/speedy-ocr.html) utility to simplify scanning and OCR focus to help blind and visually impaired community. It is part of [Vinux project](http://vinuxproject.org).
* [Project VIRAL](http://apps.man.poznan.pl/trac/varico/wiki) Varico Invoice Recognition with Assisted Learning
* [Bindery](http://blender3d.github.com/Bindery/): A simple GUI for binding post processed scanned pages into digital documents
* [Clarify](http://code.google.com/p/clarify): Clarify helps you OCR 'image-only' PDFs. Your input is a PDF that you normally cannot extract text from. The output is text. Clarify is a python module that wraps up tesseract-ocr, xpdf and netpbm. _Requirements:_ python, tesseract-ocr, xpdf, netpbm
* [hOcr2Pdf.NET](http://hocrtopdf.codeplex.com/documentation): hOcr2Pdf.NET is a library that programmers can use to create highly compressed, searchable pdf's for applications. _Requirements:_ .NET 2.0 or higher, Tesseract 3.0, JBig2.exe
* [PDFBeads](http://rubyforge.org/projects/pdfbeads): convert scanned images to a single searchable PDF file based on hOCR files. _Requirements:_ ruby, RMagick, hpricot
* [ExactImage/hocr2pdf](http://www.exactcode.com/site/open_source/exactimage/hocr2pdf/): creates a Searchable PDF from hOCR input. _Requirements:_ libagg
* [HocrConverter](https://github.com/jbrinley/HocrConverter): creates PDFs and plain text from hOCR documents. _Requirements:_ python, reportlab
* [HocrToPdf.java](http://www.acoveo.com/acoveo/files/HocrToPdf.java): java source for very basic hOCR to PDF converter. Compiled version can be found at project [modi2hocr](http://code.google.com/p/modi2hocr/source/browse/trunk/). _Requirements:_ java, jericho, iText2
* [hOcr2Pdf.NET](http://hocrtopdf.codeplex.com/): is a .NET library to convert .hocr html produced by Tesseract or Cuneiform into searchable pdfs using HtmlAgilityPack and iTextSharp. _Requirements:_ C#.
* [Tally-Ho](http://code.google.com/p/tallyho/): Tally-Ho is a screen reader intended for sites like google books
* [Mayan EDMS](http://rosarior.github.com/mayan/): Document management system with tesseract as its base
* [Olena](http://git.lrde.epita.fr/?p=olena.git;a=summary): a generic and efficient image processing platform (tesseract is used in its part called [scribo](http://git.lrde.epita.fr/?p=olena.git;a=tree))
* [ocrodjvu](http://jwilk.net/software/ocrodjvu) is a wrapper for OCR systems, that allows you to perform OCR on DjVu files
* [PaRADIIT](https://sites.google.com/site/paradiitproject/home) (Pattern Redundancy Analysis for Document Image Indexation & Transcription) is a project initiated and sponsored by 2 successive Google DH awards. It aims to turn ancient books, especially from the Renaissance, into accessible digital libraries.
* [The ISRI Analytic Tools](https://github.com/eddieantonio/isri-ocr-evaluation-tools) consist of 17 tools for measuring the performance of and experimenting with OCR output.
* [pdf2pdfocr](https://github.com/LeoFCardoso/pdf2pdfocr) is a tool to OCR a PDF (or supported images) and add a text layer in the original file making it a searchable PDF. It is a python script that uses tesseract and other open source tools. Linux, macOS and Windows supported.
* [Indic Messenger](https://indic-ocr.github.io/indicmessenger) A Facebook chat bot which can OCR images containing Indian/English text and transliterate it to other Indian scripts.
* [LibreOCR](https://indic-ocr.github.io/LibreOCR/) A [LibreOffice](http://www.libreoffice.org) extension which can convert an image to OCT and open in the Writer application.
## 4. Others (Utilities, Tools, Command-Line Interfaces [CLI], etc)

### A. PDF to Searchable PDF tools
(ie: any tool which can also handle a non-searchable PDF as an input):

1. [OCRmyPDF](https://github.com/jbarlow83/OCRmyPDF) - Adds OCR text layer to scanned PDF files and images, allowing them to be searched. Processes pages in parallel on multi-core CPUs. Keeps exact resolution of original embedded images without recompressing JPEGs, when possible. Includes image several preprocessing options, detailed documentation, and support for many exotic PDFs.
1. [pdf2pdfocr](https://github.com/LeoFCardoso/pdf2pdfocr) is a tool to OCR a PDF (or supported images) and add a text layer in the original file making it a searchable PDF. It is a python script that uses tesseract and other open source tools. Linux, macOS and Windows supported.
1. [pdf2searchablepdf](https://github.com/ElectricRCAircraftGuy/PDF2SearchablePDF) - a tool which allows converting any non-searchable PDF, OR any entire directory of images, to a searchable PDF

### B. Others:
1. [ocr-fileformat](https://github.com/UB-Mannheim/ocr-fileformat) - Validate and transform between OCR file formats (hOCR, ALTO, PAGE, FineReader)
1. [Tess4J](https://github.com/nguyenq/tess4j) - A Java JNA wrapper for Tesseract OCR API.
1. [Traineddata inspector](https://mazoea.com/te/traineddata/) - to inspect some of the internals of traineddata files
1. [TopOCR](http://www.topocr.com/) - high Quality OCR for Cameras with tesseract-ocr support (paid product)
1. [Simple OCR Web Server](https://github.com/ybur-yug/python_ocr_tutorial) using python, flask, tesseract-ocr, and leptonica
1. [Display OCR](https://github.com/arturaugusto/display_ocr) is OpenCV-Python + python-tesseract real-time image preprocess and OCR of 7 segments font.
1. [OpenOCR](https://github.com/tleyden/open-ocr) makes it simple to host your own OCR REST API.
1. https://github.com/guitarmind/tesseract-web-service is An implementation of RESTful web service for tesseract-OCR using tornado
1. [RasterEdge .NET Image SDK - OCR Recognition](http://www.rasteredge.com/dotnet-imaging/addon-ocr-sdk/) is robust, high-performance recognition application of royalty-free distribution for desktop or server applications.
1. [DevScope OCR SDK](http://www.devscope.net/products/DevScopeOCR) is an Optical Character Recognition toolkit engine based on Tesseract OCR v3 that allows to develop applications using Microsoft .NET framework
1. [Paperwork](https://github.com/jflesch/paperwork) - using OCR to grep dead trees the easy way (requires pyocr)
1. [Aletheia](http://www.primaresearch.org/tools.php) - An Advanced Document Layout and Text Ground-Truthing System for Production Environments
1. [gscan2pdf](http://gscan2pdf.sourceforge.net/) a GUI to produce PDFs or DjVus from scanned documents
1. [Audiveris](http://audiveris.kenai.com/) is an open-source Optical Music Recognition software which processes the image of a music sheet to automatically provide symbolic music information in MusicXML standard.
1. [Ocrivist](https://code.google.com/p/ocrivist/) is a utility which makes it possible to scan and OCR books and other printed documents to PDF or Djvu format.
1. [thu-ipv6-login](https://code.google.com/p/thu-ipv6-login/) a python script for IPv6 authentication in Tsinghua University with support for OCR of authcode
1. [Wolfram Mathematica 9.0](http://www.wolfram.com/mathematica/) use tesseract for [recognizing text](https://groups.google.com/d/msg/tesseract-ocr/NmxFclHcsAE/-KaiT5oJ8oQJ)
1. [node-dv](https://github.com/creatale/node-dv) is a node.js library for processing and understanding scanned documents
1. [hocr-tools](https://github.com/tmbdev/hocr-tools) - python tools for manipulating and evaluating the hOCR format for representing multi-lingual OCR results by embedding them into HTML. They include hocr-pdf tool for creating searchable pdf.
1. [PyPDFOCR](https://github.com/virantha/pypdfocr) - Tesseract-OCR based PDF filing
1. [ChronoScan](http://www.chronoscan.org) is a complete suite for document Scanning & Data Entry
1. [speedy-ocr](http://www.donaldmarang.org/speedy-ocr.html) utility to simplify scanning and OCR focus to help blind and visually impaired community. It is part of [Vinux project](http://vinuxproject.org).
1. [Project VIRAL](http://apps.man.poznan.pl/trac/varico/wiki) Varico Invoice Recognition with Assisted Learning
1. [Bindery](http://blender3d.github.com/Bindery/): A simple GUI for binding post processed scanned pages into digital documents
1. [Clarify](http://code.google.com/p/clarify): Clarify helps you OCR 'image-only' PDFs. Your input is a PDF that you normally cannot extract text from. The output is text. Clarify is a python module that wraps up tesseract-ocr, xpdf and netpbm. _Requirements:_ python, tesseract-ocr, xpdf, netpbm
1. [hOcr2Pdf.NET](http://hocrtopdf.codeplex.com/documentation): hOcr2Pdf.NET is a library that programmers can use to create highly compressed, searchable pdf's for applications. _Requirements:_ .NET 2.0 or higher, Tesseract 3.0, JBig2.exe
1. [PDFBeads](http://rubyforge.org/projects/pdfbeads): convert scanned images to a single searchable PDF file based on hOCR files. _Requirements:_ ruby, RMagick, hpricot
1. [ExactImage/hocr2pdf](http://www.exactcode.com/site/open_source/exactimage/hocr2pdf/): creates a Searchable PDF from hOCR input. _Requirements:_ libagg
1. [HocrConverter](https://github.com/jbrinley/HocrConverter): creates PDFs and plain text from hOCR documents. _Requirements:_ python, reportlab
1. [HocrToPdf.java](http://www.acoveo.com/acoveo/files/HocrToPdf.java): java source for very basic hOCR to PDF converter. Compiled version can be found at project [modi2hocr](http://code.google.com/p/modi2hocr/source/browse/trunk/). _Requirements:_ java, jericho, iText2
1. [hOcr2Pdf.NET](http://hocrtopdf.codeplex.com/): is a .NET library to convert .hocr html produced by Tesseract or Cuneiform into searchable pdfs using HtmlAgilityPack and iTextSharp. _Requirements:_ C#.
1. [Tally-Ho](http://code.google.com/p/tallyho/): Tally-Ho is a screen reader intended for sites like google books
1. [Mayan EDMS](http://rosarior.github.com/mayan/): Document management system with tesseract as its base
1. [Olena](http://git.lrde.epita.fr/?p=olena.git;a=summary): a generic and efficient image processing platform (tesseract is used in its part called [scribo](http://git.lrde.epita.fr/?p=olena.git;a=tree))
1. [ocrodjvu](http://jwilk.net/software/ocrodjvu) is a wrapper for OCR systems, that allows you to perform OCR on DjVu files
1. [PaRADIIT](https://sites.google.com/site/paradiitproject/home) (Pattern Redundancy Analysis for Document Image Indexation & Transcription) is a project initiated and sponsored by 2 successive Google DH awards. It aims to turn ancient books, especially from the Renaissance, into accessible digital libraries.
1. [The ISRI Analytic Tools](https://github.com/eddieantonio/isri-ocr-evaluation-tools) consist of 17 tools for measuring the performance of and experimenting with OCR output.
1. [Indic Messenger](https://indic-ocr.github.io/indicmessenger) A Facebook chat bot which can OCR images containing Indian/English text and transliterate it to other Indian scripts.
1. [LibreOCR](https://indic-ocr.github.io/LibreOCR/) A [LibreOffice](http://www.libreoffice.org) extension which can convert an image to OCT and open in the Writer application.

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