Create And Modify
Create MSI and MST files from scratch or modify Vendor Microsoft Windows installers.

YuZip is a Delphi library to create, open, extract from, and modify ZIP archives with multiple algorithms for compression (deflate, bzip2, LZMA, PPMd, XZ, zStandard) and encryption (AES, PKWARE).

FPDF is a class which allows to generate PDF files with pure Code, that is to say without using any PDF library. "F" from FPDF stands for Free: you may use it for any kind of usage and modify it to suit your needs.

Create And Modify
Create MSI and MST files from scratch or modify Vendor Microsoft Windows installers.

.NET assembly to Manipulate with documents based on Microsoft Word Document Model according to DOCX (ECMA-376) specification. No Microsoft Word dependencies.

Generate, load, edit, and save documents
Single and intuitive DOM for all formats
Compatible on multiple platforms, such as Windows, macOS, and Linux
Deploy to Azure and AWS

Create And Modify
Create MSI and MST files from scratch or modify Vendor Microsoft Windows installers.

Syncfusion Essential Studio File Formats helps you read, write, and modify PDF, Word, PowerPoint, and Excel files. Included are Essential PDF, Essential DocIO, Essential XlsIO, and Essential Presentation. Includes file-format libraries for Blazor, ASP.NET Core, ASP.NET MVC, ASP.NET Web Forms, .NET MAUI (Preview), Xamarin, Flutter (PDF and Excel only), WinForms, WPF, WinUI, and UWP. Also includes Word Library support in Java. They can be used on systems that do not have Microsoft Word/Excel installed.

Create And Modify
Create MSI and MST files from scratch or modify Vendor Microsoft Windows installers.