a free software which enables users inside countries and other locals with heavy Internet censorship to visit any public web sites in the world safely and freely.
is free, it only takes seconds to download and you don’t even need to install it, so you can download Browzar time and time again, whenever and wherever you need it to protect your privacy.
Wireshark's powerful features make it the tool of choice for network troubleshooting, protocol development, and education worldwide.
Wireshark was written by an international group of networking experts, and is an example of the power of open source. It runs on Windows, Linux, UNIX, and other platforms.
It used to be known as Ethereal, and was renamed in May 2006. If you haven't upgraded to Wireshark yet you may want to take a look at the migration guide.