Aspose.Cells FOSS for .NET is a free, MIT-licensed library that gives .NET developers full control over Excel .xlsx workbooks — no Office dependency, pure managed code, NuGet install.

A feature-by-feature walkthrough of Aspose.Cells FOSS for .NET — the MIT-licensed open-source Excel library covering workbooks, cells, styles, conditional formatting, validation, page setup, and more.

Deep-dive into the spreadsheet management API of Aspose.Cells FOSS for .NET: workbook loading with repair, worksheet protection and settings, page setup, and data validation.

Learn how to add URL, email, file, and internal worksheet hyperlinks to Excel files in Python using the Workbook class in Aspose.Cells FOSS — no Microsoft Office required.

Aspose.Cells FOSS is a lightweight Python library with minimal dependencies for creating, reading, and modifying Excel files without Microsoft Excel. MIT licensed.

Learn how to build column, line, and bar charts inside Excel workbooks from Python using Aspose.Cells FOSS — with named data series, category labels, and legend control. No Microsoft Office required.