PeerProject is a versatile peer-to-peer filesharing client and file manager. It's intuitive and aesthetic while supporting many networks and features, including BitTorrent, G2, Gnutella, eDonkey, DC++, IRC, HTTP/FTP, and more. It's a mainstream fork of Shareaza p2p, for Windows and WINE.
Kune is a distributed social network focused on collaboration rather than just on communication. It focuses on online real-time collaborative editing (Wave-based), decentralized social networking (federation), and Web publishing, while focusing on workgroups rather than just on individuals. It aims to create online spaces for collaborative work where organizations and individuals can build projects online, coordinate common agendas, set up virtual meetings, publish on the Web, and join organizations with similar interests. It has a special focus on Free Culture and social movements needs.
openPLM is a Web-based Product Lifecycle Management (PLM) application. It provides a configuration management system that manages all kind of files and data as documents in a product structure. It supports documents, parts, BOMs, part-document links, electronic signatures for objects, revision management, check in and check out for all files, plain text search using the Xapian engine, navigation between objects using Graphviz, and user management that allows sponsorship, delegation, and rights. Plug-ins are available for Thunderbird, OpenOffice/LibreOffice, FreeCAD, and Gedit.
The Taridium ipbx is a complete software-based VoIP PBX system that replaces a traditional proprietary hardware PBX. It runs on Linux without the need for extra software licenses, and is based on the SIP standard. It supports many phones and is available for free in a 5 user version.
pop3ml is a program to manage mailing lists and newsletters without a local SMTP server. It requires only a simple POP3 email account. It's highly configurable by users. You can subscribe or unsubscribe simply with email messages. There is optional subscription and unsubscription confirmation, subscription moderation, message moderation, digest message mode, parent/children list management, mail scheduling to postpone or repeat a message, a mail filter (with a procmail-like syntax), a message queue for unsent messages, message size check, a command to retrieve messages, bounce detection, message header management, black/white/allow/deny lists, and other functions. There is also a program to test list settings without sending any messages and another program to view and search through stored messages. You can configure it with programs like phpMyAdmin.
chan-sccp-b is an extension of the original chan-sccp implementation for the Asterisk soft-PBX. It lets you hook up a Cisco/SCCP Phone to your Asterisk server using the SCCP protocol, which works a lot better than the SIP firmware on the same phone. It provides full phone functionality instead of just a simple SIP channel provider. It offers functionality like shared lines, hotline functionality, guest login, dynamic speeddials, private line automatic ring-down (PLAR), personal softkey configurations, Dundi support, SCCP extended dialplan functions, manager support, and custom device state buttons.
Beem is an XMPP (Jabber) client for Android. Beem is compatible with any standard XMPP server or service (including Ejabberd, Openfire, Facebook, or Gmail). It supports SASL, proxying (Socks4, Socks5, HTTP), DNS SRV, and chatting with a specific resource. Beem is available on the Android market and on the software's own Web site.