openxml

a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.

ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API.

Fast, Low-Memory, Easy Excel .NET helper to import/export/template spreadsheet (support Linux, Mac)

Html2OpenXml is a small .Net library that convert simple or advanced HTML to plain OpenXml components. This program has started in 2009, initially to convert user's comments into templated Word.

🍂 A .NET library for manipulating PowerPoint presentations

Fast and easy to use cross-platform .NET library that creates or modifies Microsoft Word (DocX) and later also Excel (XLSX) files without installing any software. Library is based on Open XML SDK

One of the most functional libraries to partially read and write .docx files (a.k.a. Microsoft Word documents or ECMA-376 Office Open XML) in Go.

Go library for reading and writing Microsoft Docx

Fast and reliable way to work with Microsoft Excel™ [xlsx] files in Golang

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

remark plugin to compile markdown to docx (Microsoft Word, Office Open XML).

A MS OpenXML Format Fuzzing Framework

.NET Core library to convert Microsoft Office binary files (doc, xls and ppt) to Open XML (docx, xlsx and pptx).

DocxTemplater: C# library for generating DOCX documents with templates, supporting placeholders, loops, tables, charts, Markdown/HTML, and image embedding. Ideal for document automation.

Fresh PowerTools for OpenXml

MariGold.OpenXHTML is a wrapper library for Open XML SDK to convert HTML documents into Open XML word documents.

Version 3 of Chem4Word - A Chemistry Add-In for Microsoft Word

laravel 12.x docx template manipulation class, based on mustache templating language

ExcelReportGenerator is a .NET library which allows you to render data to Microsoft Excel by marking Excel sheets using panels and templates. It makes it easy to connect to various data sources and to render data from them to Excel. You can also apply aggregation, various types of grouping, formatting and so on.

Create or Modify Power Point/Presentation (pptx), Excel/Spreadsheet (xlsx) & Word/Document (docx) file with ease in Rust, C#, Python🚧⚒️, Java🚧⚒️,Go🚧⚒️ or Typescript🚧⚒️