Skype is a free program that uses the latest P2P technology to bring
affordable and high-quality voice communications to people all over
the world.
The Y!M transport is a dynamic gateway that allows XMPP/Jabber
users to connect to Yahoo! Messenger using their Groupchat and MUC clients.
It is based on xmpppy and curphoo Python libraries.
Rambler Contacts is an instant messaging and communication suite for vast
variety of services, including, but not limited to Facebook, ICQ, Jabber,
and Google Talk. Number of popular Russian community chat services also
supported. It is originally based on Vacuum-IM, built upon Qt 4.7+, and
distributed under GPLv3.
Rambler account (free registration) is required right now, but plans are
to drop this limitation in future versions.
Twitter Client on Terminal with Twitter Streaming API.
Turpial is a light and fast microblogging client written in Python. It supports
Twitter and Identi.ca.
twitmail is a curses-based mail-like interface to twitter. It also can be
used as a command line app for sending and receiving tweets. In both modes
it remembers the last thing you read and only shows you newer posts (ie, it
reports nothing when you have no updates to read). It'll collect all the
new posts as well (up to a configurable limit), to ensure you haven't
missed anything important.
vqcc-gtk is a chat application written in C for the GTK+ toolkit, primarily
used in small LAN's. It is based on quickChat/Vypress Chat (TM) for Windows
(from Vypress Research) and is licensed under the GPL.
The application supports both quickChat and Vypress Chat(TM) protocols and
hopefully is compatible enough to substitute those applications when using
Linux, FreeBSD or another *NIX desktop. You need no server to run, however
it is not possible to communicate outside your LAN (or subnet).
(From the About page)
arpscan is a very simple scanner which sends out arp requests for
the given IP addresses and displays a list of the found hosts.
arts++ is a support package for CAIDA's cflowd and skitter.
It provides a C++ class library and simple applications for handling
data produced by cflowd and skitter.
See: http://www.caida.org/tools/measurement/cflowd/
http://www.caida.org/tools/measurement/skitter/
bandwidthd tracks usage of TCP/IP network subnets and builds HTML files with
graphs to display network utilization. Charts are built by individual IP. It
color codes HTTP, TCP,UDP, ICMP, VPN, and P2P traffic. Unlike MRTG, it tracks
each individual IP address, not the status of any particular link.