Office and Business
a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.
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
A .NET library for manipulating PowerPoint presentations
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 low-level library for interacting with PDF files
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 OpenXM…
My fork of Vincent Tan's great Spreadsheet Light project http://spreadsheetlight.com
The purpose of this fork is to create a version of the library that runs on .NET 8.0+ and is also capable of running in cross-platform environments.
Scan documents to PDF and more, as simply as possible.
Generate and edit PDF documents in your .NET applications using the open-source QuestPDF library and its C# Fluent API. Build invoices, reports and data exports with ease.
Scryber.Core is a dotnet 6 html to pdf engine written entirely in C# for creating beautiful flowing documents from html templates including css styles, object data binding and svg drawing.
.NET Core library to create custom reports based on Word docx or HTML documents and convert to PDF
C# .NET Core wrapper for wkhtmltopdf library that uses Webkit engine to convert HTML pages to PDF.
.NET Core / Standard implementation of XML openTRANS v2.1 format
Read and extract text and other content from PDFs in C# (port of PDFBox)
A financial money management library and applications that utilize it.
A port of Hunspell v1 for .NET and .NET Standard
ForgeEngine can export your model to other formats, such as Autodesk Forge Viewer SVF/F2D, glTF/glb, Cesium 3D Tiles, etc. No need to rely on other online services, can be run offline.
Complement library for ACadSharp to generate Pdf files from Dwg/Dxf.
Python tool for converting files and office documents to Markdown.
Peach PDF is a pure .NET HTML -> PDF rendering library