Spreadsheet
File Format APIs for .NET
.NET APIs for Excel & OpenOffice Spreadsheets
Create, Edit, Convert & Manipulate Microsoft Excel XLS & XLSX files using open source .NET APIs.
Spreadsheet File Format APIs for .NET Include
Magicodes.IE
Open-Source API to Import and Export Data from Excel File Format.
EPPlus
Enables software developers to read, write & convert Excel 2007 & 2010 files using .NET applications.
Openxmlsdk
Allows software developers to manipulate Spreadseets documents using .NET applications.
NPOI
NPOI allows developers to create & manipulate XLS & XLSX using .NET applications.
FastExcel
A .NET library provides fast ways for reading, writing and manipulating Excel XLSX files inside their own applications.
ClosedXML
Free API to read, write and manipulate XLSX & XLSM files inside your own applications.
ExcelDataReader
Open-Source API to read XLS, XLSX and CSV fileformat for Excel(2.0-2007) .
ExcelDna
Free API to create & deploy Excel Add-Ins using .NET.
BookFx
Compose Excel Spreadsheets like HTML DOM elements
PureExcel
Free lightweight API for parsing Microsoft Excel Spreadsheets
Simplexcel
Open Source .NET library that provides functionality for working with Excel XLSX spreadsheet.
NetOffice
Free .NET library that allows the developer to read, write & manipulate Excel files via Open Source .NET API.
ReoGrid
Open source C# .NET Library allows to create, edit, process Excel XLSX spreadsheets. Export Excel XLSX File to CSV & HTML.
