Pi3Web is a multithreaded, highly configurable multiple platform HTTP 1.0/1.1 web server written in C++. Pi3Web 2.0 supports among other things CGI, FCGI, Win-CGI, SSI, directory indexing, SSL, embedded perl, PHP4, Servlets, JSP and XSLT.
yawebftp is a webftp-client written in Java as a webapp. Just throw the "yawebftp.war"-file into the deployment-directory of your Servlet-container (tomcat, jetty, weblogic, ..) and you're ready to go! Take a test ride on the yawebftp-"Home Page"...
SCOUD is a Java based open source UDDI business directory. Thus SCOUD is able to serve UDDI business registrations. SCOUD aims to be fully compliant with the UDDI version 3.0 API specification.