openxml-alternative

C# PowerPoint library that creates, reads, and edits PPTX presentations without Microsoft Office or Interop. Runnable .NET examples for slide generation, text boxes with styled paragraphs, image insertion, shapes (rectangle, ellipse, cloud, and more), and slide layout. .NET 10 through Framework 4.6.2.

C# Word library that creates, reads, and edits DOCX files without Microsoft Word or Interop. Runnable .NET examples for paragraphs, text runs with styling, tables with cell merging, images, shapes, page setup, find-and-replace, and MemoryStream export for HTTP delivery. .NET 10/9/8 through Framework 4.6.2.