Standalone .NET Excel editing library, not require any Microsoft Office Interop Assemblies, to create, load, modify and save xlsx (xlsm) spreadsheet in .NET framework

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.