jPDFNotes is a Java bean component which can be integrated into Java applications or deployed on the Web in an applet or using Java Web start. It allows users to mark up, review, and annotate PDF documents online. Most PDF annotations and features are supported, including graphical, sound, free text, typewriter, measurements (distance, perimeter, and area), file attachments, and bookmarks. All PDF fonts are supported (Types 0-3, OpenType, and TrueType).
JFileUpload is a Java applet that allows uploading of files and folders to any Web or FTP server. This component can be integrated into any application, whether the server-side technology is JSP/Servlet, PHP, Coldfusion, CGI, or Microsoft ASP. The front-end provides an upload progress bar, a cancel button, and drag-and-drop support. JFileUpload supports very large uploads over 2GB and can resume broken uploads. Its colors, size, and language can be customized.