docx4j - JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files

•    Java

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docx4j is a library which helps you to work with the Office OpenXML file format as used in docx documents, pptx presentations, and xlsx spreadsheets.

document-processing document-conversion text-extraction microsoft-documents

LibreOffice - The Document foundation

•    C

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LibreOffice is the free power-packed Open Source personal productivity suite for Windows, Macintosh and Linux. LibreOffice is the perfect choice for home users, businesses, government and other organizations. It's native file format is the ISO standardized ODF (Open Document Format), but LibreOffice can open and save Microsoft Word, PowerPoint and Excel files, as well as many other formats, bringing you the widest-available compatibility with other products.

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textract - node

•    HTML

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A text extraction node module. In almost all cases above, what textract cares about is the mime type. So .html and .htm, both possessing the same mime type, will be extracted. Other extensions that share mime types with those above should also extract successfully. For example, application/vnd.ms-excel is the mime type for .xls, but also for 5 other file types.

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MOSS Document Converter

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Microsoft Office SharePoint Server (MOSS) Document Converters with Word & Excel 2007 on the server. Converting Office 2003 file-types (doc, xls) to pdf and xps. Could easily be altered for work for docx and xlsx file-types. Desktop Automation on the Server: Previously, us...

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ONLYOFFICE - MultiFunctional Office Suite

•    Javascript

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ONLYOFFICE is a multi-featured open source office suite, that features online document editors, platform for document management, corporate communication, mail and project management tools.

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react-native-doc-viewer - React Native Doc Viewer (Supports file formats: xls,ppt,doc,xlsx,pptx,csv,docx,png,jpg,pdf,xml,binary

•    Objective-C

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React Native Native Module Bridge Quicklock Document Viewer for IOS + Android supports pdf, png, jpg, xls, ppt, doc, docx, pptx, xlx + Video Player mp4 supported

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Joeffice - Office Written in Java

•    Java

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Joeffice is the first open source office suite written in Java. Its features include Docking system. Visualize several documents in the same window, It can have a lot of documents open at the same time and easily switch from one to another. It works with Microsoft document formats (docx, xslx, pptx). It can get data through web services (RMI, SOAP, REST).

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KOffice - office suite for KDE

•    C++

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KOffice consists of several applications that offer a specialized interface for a certain task to a generic set of content components. Its office suite includes word processing, spreadsheets, presentations, graphics, databases, project planning.

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file-type - Detect the file type of a Buffer/Uint8Array

•    Javascript

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The file type is detected by checking the magic number of the buffer.Show your support for this module by buying this excellent Node.js course.

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Gnome Office - office suite for GNOME

•    C++

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Gnome Office consist of bunch of application such as Word, Speadsheet, Presentation, Graphics and Database.

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Simple OOXML

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Simple OOXML makes the creation of Open Office XML documents easier for developers. Modify or create any .docx or .xlsx document without Microsoft Word or Microsoft Excel. Uses the Open Office SDK v 2.0.

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Calligra-suite - a continuation of KOffice

•    C++

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Calligra-suite is a continuation of KOffice. The new name reflects the wider value of the KOffice technology platform beyond just desktop office applications. Currently all applications except Calligra Words will be maintained by their respective KOffice developers.

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Binary(doc,xls,ppt) to OpenXMLTranslator

•    CSharp

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The main goal of the Office Binary (doc, xls, ppt) Translator to Open XML Project is to create software tools, plus guidance, showing how a document written using the Binary Formats (doc, xls, ppt) can be translated to Office Open XML.

PHPPresentation - A pure PHP library for reading and writing presentations documents

•    PHP

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PHPPresentation is a library written in pure PHP that provides a set of classes to write to different presentation file formats, i.e. Microsoft Office Open XML (OOXML or OpenXML) or OASIS Open Document Format for Office Applications (OpenDocument or ODF). PHPPresentation is an open source project licensed under the terms of LGPL version 3. PHPPresentation is aimed to be a high quality software product by incorporating continuous integration and unit testing. You can learn more about PHPPresentation by reading the Developers' Documentation and the API Documentation.

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WebSync - Document editing tool similar to Google Drive or Microsoft Skydrive

•    Javascript

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WebSync is a document editing tool similar to Google Drive or Microsoft Skydrive. A limitation of Google Drive is not having a note taking application and a reason WebSync was created. WebSync makes up for this by providing a OneNote-esqe Notebook file type. It is a self hostable document editing tool. It has real time collaborative editing built in.

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PHPWord - A pure PHP library for reading and writing word processing documents

•    PHP

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PHPWord is a library written in pure PHP that provides a set of classes to write to and read from different document file formats. The current version of PHPWord supports Microsoft Office Open XML (OOXML or OpenXML), OASIS Open Document Format for Office Applications (OpenDocument or ODF), Rich Text Format (RTF), HTML, and PDF. PHPWord is an open source project licensed under the terms of LGPL version 3. PHPWord is aimed to be a high quality software product by incorporating continuous integration and unit testing. You can learn more about PHPWord by reading the Developers' Documentation.

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OfficeHelper

•    DotNet

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Wrapper around the open xml office package. You can easily generate xlsx documents based on a template xlsx document and reuse parts from that document, if you mark them as named ranges (i.e."names"). Requirement: .Net 3.5 or later. Microsoft Office does not need to be installed!

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NeoOffice - Office for Mac

•    Java

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NeoOffice is a full-featured set of office applications including word processing, spreadsheet, presentation and graphics programs for Mac OS X. It is created by forking OpenOffice and added Mac specific features to it. NeoOffice Mobile application is available for Android devices, iPhone, iPad, and iPod touch.

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docjure - Read and write Office documents from Clojure

•    Clojure

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Docjure makes reading and writing Office documents in Clojure easy. This example creates a spreadsheet with a single sheet named "Price List". It has three rows. We apply a style of yellow background colour and bold font to the top header row, then save the spreadsheet.

excel spreadsheet xlsx xls

Apache OpenOffice

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Apache OpenOffice, the Free and Open Source Productivity Suite