This project is the .NET version of POI Java project at http://poi.apache.org/.

NPOI alternatives and similar packages

Based on the "Office" category

• EPPlus

  9.1 2.1 NPOI VS EPPlus

  EPPlus is a .net library that reads and writes Excel 2007/2010 files using the Open Office Xml format (xlsx).

• ExcelDataReader

  8.7 6.2 NPOI VS ExcelDataReader

  Lightweight and fast library written in C# for reading Microsoft Excel files (2.0-2007).

• Open XML SDK

  8.4 7.8 L1 NPOI VS Open XML SDK

  The Open XML SDK provides open-source libraries for working with Open XML Documents (DOCX, XLSX, and PPTX).

• DocX

  7.3 2.8 NPOI VS DocX

  DocX is a .NET library that allows developers to manipulate Word 2007/2010/2013 files, it does not require Microsoft Word or Office to be installed.

• ExcelDna

  6.3 6.4 L1 NPOI VS ExcelDna

  ExcelDna makes it easier to create and deploy Excel Add-Ins using C#, F# or VB .NET

• NetOffice

  4.9 3.7 NPOI VS NetOffice

  .NET wrapper assemblies for accessing Microsoft Office applications.

• ClosedXML

  3.1 5.9 NPOI VS ClosedXML

  ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files

• BookFx

  2.3 9.4 NPOI VS BookFx

  Composing Excel spreadsheets based on a tree of nested components like the HTML DOM.

• Report-From-DocX-HTML-To-PDF-Converter

  2.0 6.6 NPOI VS Report-From-DocX-HTML-To-PDF-Converter

  .NET Core library to create custom reports based on Word docx or HTML documents and convert to PDF

• PureExcel

  0.7 0.0 L5 NPOI VS PureExcel

  A lightweight excel parser

• GemBox.Bundle

  - - NPOI VS GemBox.Bundle

  A package of .NET components that enable fast, simple and efficient processing of office files (Excel, Word, PowerPoint, PDF and emails). [$]****[Free Lite versions]

• Outlook Redemption

  - - NPOI VS Outlook Redemption

  Library to work with the Outlook Object Model and (Extended) MAPI. Supports Outlook 98

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Popular Comparisons

• NPOI
  vs
  EPPlus
• NPOI
  vs
  Open XML SDK
• NPOI
  vs
  ClosedXML
• NPOI
  vs
  DocX
• NPOI
  vs
  ExcelDataReader

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