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: ...

Aspose.Words FOSS for Java creates, edits and converts Word documents from Java code and reads and writes DOCX, Markdown and plain text.

Write, read, replace and export text in Word documents with Aspose.Words FOSS for Java, with examples that were run on Java 8, 17 and 21.

Aspose.Cells FOSS for PHP is a free, MIT-licensed library for creating, loading, modifying, and saving Excel .xlsx workbooks from PHP 8.1+, with no Microsoft Office dependency.

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.