ucanvcam is a cross-platform framework for building virtual cameras. Virtual cameras offer the same interface as regular cameras to client applications (such as Skype), but provide user-generated or user-modified imagery rather than imagery directly from a camera. While ucanvcam comes with a set of special effects, the main intent is to make building virtual cameras easier for people without OS-specific knowledge, so they can focus purely on image processing.
Coherence is a set of DLNA/UPnP devices, like MediaServer and MediaRenderer. In addition, it includes a well-designed framework to extend other applications with DLNA/UPnP functionality. It also has an emerging DBus API, enabling these applications to participate in digital living networks. It supports Playstation 3 (PS3), XBox, and many other devices.
Mediastreamer is a portable C library that allows you to create and run audio and video streams. It is designed for any kind of voice over IP applications. It features RTP connectivity, audio codecs (Speex, iLBC, G711, GSM, and AMR), video codecs (MPEG4, H263, H264, and Theora), sound card I/O, wav file streaming, webcam video capture, echo-cancellation, conferencing, parametric equalization, and various other utilities. It has a modular design that makes it extensible through plugins. This is the media-streaming component of linphone, a GPL SIP video phone.
kPlaylist is a multi-lingual Web-based music streaming system. It can be used as a private or public jukebox. It uses MySQL as database, reads files as MP3, Ogg, WMA, and others and includes a user signup tool, search engine, user editor, personal options, personal and shared playlists, listings of new and popular music, a randomizing feature, and a quick way of browsing albums. Upgrading and installation is automatic.
Linphone is an audio and video Internet phone with GTK+ and console interfaces. It uses the SIP protocol, and is compatible with most SIP clients and gateways. It can use various audio and video codecs such as Speex, GSM, G711, G722, ilbc, amr, Theora, H263-1998, MPEG4, H264, VP8, and snow.