OpenNMS
- Using Java, XML & XSL, a distributed network and systems management platform allowing enterprise and element management capabilities in an open source architecture. [Open Source, GPL]
- http://www.opennms.org/

Freecast
- A Java application which allows peer-to-peer audio and video streaming.
- http://www.freecast.org/

DAV Explorer
- A WebDAV (Distributed Authoring Protocol) client application. [Open source, Apache-style license]
- http://www.davexplorer.org/

RageWork
- A multi-system packet of useful software: file manager, FTP client, SFTP client, search files, backup module. By Softrage.
- http://www.softrage.com/

Starlasoft
- JLAN Server and JLAN Client Java networking products implementing the Windows networking protocols (SMB/CIFS, NetBIOS and DCE/RPC).
- http://www.starlasoft.com

Secure Internet File Transfer (SIFT)
- Enables data to be securely transferred via the internet with easily downloadable Java based browser application. [Commercial]
- http://www.proginetuk.co.uk/products/sift/sift.htm

Ohioedge
- An online Customer Relationship Management (CRM) application. Online sales generation and fulfillment J2EE components. Features product and service descriptions with product documentation, employment opportunities, and company background. [Open source, M
- http://www.ohioedge.com/

jFTP
- A graphical network client and filemanager supporting local, FTP, SFTP and SMB (windows shares) connections. It is multithreaded and support auto-resuming, recursive up/download and recognition of malformed pathnames.
- http://j-ftp.sourceforge.net/

WeirdX
- Pure Java X window system server. [Open Source, GPL]
- http://sourceforge.net/projects/weirdx/

LimeWire
- Gnutella client. [GPL]
- http://www.limewire.org/

Extracta
- Offers automated data retrievial from web to integrate into your applications. [Commercial]
- http://www.spark-it.com/

Gnutmeg
- Peer-to-peer distributed file sharing system not unlike Gnutella. It is similar to Napster, but there is no central server. [Open Source]
- http://sourceforge.net/projects/gnutmeg/