SipExchange is a softswitch that provides standard SIP services like location, proxy, and presence. Using the SipExchange application, service providers can offer VoIP telephone services to their subscribers as well as other services based on voice, video, and instant messaging. SipExchange supports many of the standard subscriber features offered by the traditional telephone exchanges and PBXs. In addition, SipExchange supports external call control capabilities which service providers and software developers can use to create new features and services rapidly and plug them into the SipExchange application. SipExchange works with standard SIP phones that adhere to the SIP protocol standards. Its software architecture is flexible, scalable, and easily extensible. It runs as an enterprise application inside the JBoss server and takes advantage of many services that a J2EE server provides. SipExchange provides a portal-based user interface with which system administrators can manage subscribers and features as well as perform other routine operations. From the portal, subscribers can manage their profiles, view the call detail records, and customize the features to which they have subscribed. Service providers can easily add additional content to the portal and customize the look and feel.
mod_vhs is an Apache 2.2+ Web server module allowing mass virtual hosting without the need for file-based configuration. The virtual host paths are translated from any database supported by mod_ldap or mod_dbd at request time from MySQL, LDAP, PAM, or a system password file. PHP security can be basically auto-configured from the database using this module. Requests are cached by mod_ldap when configured.
apt-got is a customizable mirror engine. It works like a highly specialized proxy. It employs several pluggable modules that are customized for specific jobs. The first available module builds and supervises a partial (or full) Debian mirror which is populated on-the-fly by apt-get requests. There is also a simple mirror module that can be used to mirror source directories or even (static) Web pages. For increased performance on already-cached files, it employes its own Apache module. It supports customized mirroring algorithms.
Jumpi is a simple, protocol agnostic, and extensible message passing communications API written in Java. The fully documented plug-in based reference implementation provides protocol adapters for MPI, TCP, UDP, JMS, Email, and HTTP for MIDP1.0 Midlets. The connectionless messaging paradigm can dramatically simplify client application code and is a complementary technology to JMS and RMI. Jumpi is compatible with Midp1.0, PersonalJava1.0, and J2SE.
SDBA Revolution is an open-source architecture written in Perl which simplifies and streamlines the process of writing applications that run on an instant messaging network. It features easy scripting of IM responses, session variables which are consistent across messages, session time limits, support for multiple "apps" from one bot, basic security, the ability to use multiple access lists, and capabilities to allow external application integration. It makes writing IM apps very much like writing mod_perl or PHP pages. It currently supports AIM, MSN, ICQ, YIM, and Jabber. The homepage has full tutorials and documentation.