Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video codecs, and is interoperable with other SIP compliant software and also with Microsoft NetMeeting.
SONaFR is a small system based upon OpenBSD 4.1 with router, NAT, and firewall capabilities that fits on one floppy. No hard disk or CD-ROM is necessary. The system boots from a floppy and all you have to do is to configure it. It also has transparent firewall and bandwidth control capabilities.
This multi-purpose note-taking application can helps you to:
Easily take all sort of notes
Collect research results and share them
Centralize your project data and re-use them
Quickly organize your toughts in idea boxes
Keep track of your information in a smart way
Make intelligent To Do lists
And a lot more...