Use DuckDB within Excel with the xlDuckDb addin

Command-line utility to extract the contents of Excel-DNA add-ins packed with ExcelDnaPack

DBAddin is an MS Excel Addin for retrieving Database data via userdefined functions into Excel and writing Data (DBMapper), executing generic DML (DBAction) and doing all this in Sequences (DBSequence).

Excel Addin to connect your favorite programming language with your Excel sheets

A Serilog sink that writes events to Excel-DNA LogDisplay

ExcelDnaPack distributed as a NuGet package for use as a tool in build scenarios

CefSharp integrated with an Excel-DNA add-in using RedGate.AppHost.

Integrate Excel-DNA Diagnostic Logging with your Serilog logging pipeling within your Excel-DNA add-in

Excel add-in which retrieves delayed quotes from Yahoo Finance.

ExcelDna.Abstractions allows you to mock / unit test Excel-DNA Add-ins

Use Microsoft.Extensions.DependencyInjection in your Excel-DNA Add-In

A Serilog Enricher with properties from Excel-DNA add-ins

:cake: :jigsaw: :package: Cake addin that makes ExcelDnaPack available as a tool in Cake build scripts

Excel add-in for writing inline C# expressions that transpile to UDFs at runtime

Open Topo Data Excel Addin

An Excel AddIn (XLL) to call model evaluators.

This repository provides a suite of high-performance, thread-safe Excel User Defined Functions (UDFs) developed using the Excel-DNA framework in C#. These functions significantly extend Excel's built-in capabilities for power users and developers, offering tools for advanced calculation control, dynamic data processing, and in-memory storage.

Machine learning and deep learning, natively inside Excel — built to support our clients in learning about ML through experimentation. Contains very valuable and proven-to-work ExcelDNA patterns that can be used in any project.

A small demonstration project on how to create an Excel User Defined Function in C# and Excel-DNA

Addin for Excel to read Tables through COM without saving Excel File. Then Export those tables to SQL Server.

Excel Add-in QuickStart V1 (Simple version)

Excel add-in for Excel functions in the Lua programming language.

An Excel Add-in (V2) demonstrating C#/COM Interoperability for VBA with Excel DNA.

An Excel addin for simple financial analytic UDFs written in F#. Not much here yet.

MS Excel add-in (XLL) of UDFs writtent in C# / ExcelDNA

A Real Time Data (RTD) Server using Excel-DNA in Excel