Aspose.PDF FOSS for .NET is a free, MIT-licensed .NET library for reading, creating, and manipulating PDF documents. Released under a permissive open-source license, it removes the traditional barrier to enterprise-grade PDF capabilities — every feature in the library is available without purchasing a commercial license. What Is Aspose.PDF FOSS for .NET? The library targets .NET 8 and later. It is published to NuGet under the package ID Aspose.Pdf.Foss and can be added to any .NET 8+ project with a single command: ...

Core PDF document management covers the operations that appear in nearly every PDF workflow: opening or creating a document, accessing pages and their content, reading and writing annotations, extracting text, and working with interactive actions. Aspose.PDF FOSS for .NET provides a .NET 8+ API that handles all of these tasks through a consistent object model centered on the Document and Page types. Document Lifecycle: Create, Open, Save Every workflow starts with either creating a new document or loading an existing one. Document.Create() returns a new, empty Document instance. Document.Open(data) accepts a byte[] or Stream and parses the PDF structure: ...

Working with formulas and cell styling in Aspose.Cells FOSS for Java — Font, Borders, fill patterns, number formats, and conditional formatting built on formula strings.

Aspose.Cells FOSS for Java is a free, MIT-licensed Java 17 library for creating, loading, modifying, and saving Excel .xlsx workbooks, covering cell values, formulas, styles, data validation, and conditional formatting with no Office dependency.

A new open-source, MIT-licensed C# library for detecting and recognizing text in images and PDF documents, running entirely offline through embedded ONNX models.

A tour of the PDF facades in Aspose.PDF FOSS for .NET: editing pages, encrypting, stamping, extracting content, managing bookmarks and form fields, and rendering pages to images.

A closer look at the core API surface of Aspose.PSD FOSS for .NET — the Image/PsdImage class hierarchy, the geometry value types, resource blocks, and the exception types raised on load/save errors.

A closer look at the core API surface of Aspose.PSD FOSS for Python — the Image/PsdImage relationship, the geometry value types, resource blocks, and the exception types raised on load/save errors.

Aspose.PDF FOSS for Java 26.9.0 adds two-way PDF<->Excel and PDF<->Markdown conversion via ExcelSaveOptions, MarkdownSaveOptions, ExcelLoadOptions, and MarkdownLoadOptions — all MIT-licensed and dependency-free.

A deep dive into layer metadata in Aspose.PSD FOSS for .NET — the Layer class’s full property set, blend modes, layer mask flags, and the channel/mask/blending-range metadata classes used to describe a PSD layer’s structure.