Historically, older versions and some mirrors are maintained on SourceForge , though GitHub is now the primary source for the official maintenance branch. Version and Compatibility Status
For modern .NET development, you can obtain iTextSharp 5 through several official channels: itextsharp 5 download
iTextSharp 5 is available for download via NuGet and GitHub , though it has officially reached status. While it remains a popular choice for legacy .NET applications, the developers now only provide maintenance releases focused on critical security updates. Download Options for iTextSharp 5 Historically, older versions and some mirrors are maintained
For those requiring direct access to DLLs or source code, the iText GitHub repository hosts bundled zip files (e.g., itextsharp-all-x.y.z.zip ) containing the core library and its associated components like PDF/A and XML Worker. Download Options for iTextSharp 5 For those requiring
This is the recommended method for most developers. You can install the latest stable version (5.5.13.5 as of early 2026) using the following command in the Package Manager Console: Install-Package iTextSharp .
iTextSharp 5 has been superseded by (now often referred to as iText for .NET), which is a complete rewrite of the library. iText 7 and iText 5: roadmaps, differences, updates