YaCy is a search engine that anyone can use to index the Internet (WWW and FTP) or to create a search portal for others (Internet or intranet). The scale of YaCy is limited only by the number of users. and can index billions of web pages. In P2P mode it is fully decentralized. All users of the search engine network are equal and it is not possible for anyone to censor the content of the distributed index.
Collaba is a multimedia collaboration and communication server built to provide digital workspaces to virtual educational, corporate, and other communities. It features secure email (Web, POP3/SMTP, crypto, and anti-spam), online forums (Web, RSS, NNTP, and podcast), blogs (Web, RSS, podcast), multimedia chat (text, multimedia panel, etc.), personal and group calendering, address books, bookmarks, an online Web page editor, file services and CMS (Web, WebDAV, FTP, SMB, CIFS, anvi-virus API, and ClamAV support), digital portfolio, dynamic news board, directory access, support for multiple independent communities on one server, Single-Sign-On features (built-in support for LDAP, CAS 2.0, JAAS, SMTP-Auth and more, powerful developer API), full online server management, anti-spam (RBL and filters), anti-virus support, centralized management with LDAP directories, Web publishing of personal, group or general web sites, developer APIs, and much more.
The Photomaniac Media Library is a media management solution for digital photographers who have to manage large amounts of digital media. Its strength is its native support for RAW images, version control, team functionality, speed, cross-platform compatibility, and cost efficiency.
Sharehound is a network file systems indexer and Google-like searcher written in Java and based on Apache Lucene. It currently supports SMB file shares (i.e. MS Windows-based network shares) and FTP resources. A Web UI is used for search and crawl monitoring. An RSS feed is provided for search results that include deleted files info.
BytesFall Explorer (bfExplorer for short) is a Web-based file manager. It allows you to upload, download, view, edit, copy, move/rename, and change permissions of a single file/directory or a group of files/directories. It's also possible to create files and directories and execute shell commands. An SQL engine is used to store the users for the authentication (currently MySQL and PostgreSQL are supported). It has an interface similar to Windows Explorer.