[pam-home] Pluggable Authentication Module homepage http://www.kernel.org/pub/linux/libs/pam/index.html

[gstreamer-home] GStreamer homepage http://gstreamer.freedesktop.org/

[twisted-home] Twisted homepage http://www.twistedmatrix.com/products/twisted

[xiph] Xiph.org homepage http://www.xiph.org

[linux1394] IEEE 1394 for Linux homepage http://www.linux1394.org/