1)   Aspose.Pdf For Java 2.1.1.0
Aspose.Pdf is a Java Pdf component to write Pdf documents without using Adobe Acrobat and supports: Document & Page properties, Text, Headings, Tables, Images, Hyperlinks, Support for DOM, HTML/CSS into Pdf, Pdf creation by API, XML and XSL-FO files.
Java, PDF, Adobe Acrobat Reader,

 2)   Aspose.PDF.Kit for Java 1.7.1.0
Aspose.Pdf.Kit is a Java component for Pdf document manipulation to edit existing Pdf documents. It supports windows & web based Java applications. It also supports: Modifying AcroForm, Adding Watermark and Converting Pdf file to a Tiff or XML file.
Java, PDF, Adobe Acrobat Reader, PDF Manipulation.,

 3)   Aspose.Pdf for .NET 3.3.2.0
Aspose.Pdf is a .Net component to write Pdf documents without using Adobe Acrobat. Main features are: Form field creation, Fonts embedding, Text, Graph, Attachment, Table, Image, Hyperlink and Pdf creation by API, XML Templates and XSL-FO file.
.NET component, .NET, PDF, Adobe Acrobat Reader,

 4)   Aspose.Pdf.Kit for .NET 2.3.3.0
Aspose.Pdf.Kit is a .NET component to edit the existing Pdf documents and also supports XFA, Concatenating Pdf files, Font style, Modifying AcroForm, Adding Images & Text, Modifying Meta Information, Encrypting or Decrypting, Adding Watermark or Logo
.NET, .NET Components, PDF, Adobe Acrobat Reader, PDF Manipulation,