Joomla: Joomla! is a free open source content management system for publishing content on the World Wide Web and intranets as well as a Model–view–controller (MVC) Web Application Development framework. Download
Logic-Sim: LogicSim you can design and simulate digital logic circuits with logic gates like AND, OR, FlipFlop, etc. Download
jperf: Iperf is a commonly used network testing tool that can create TCP and UDP data streams and measure the throughput of a network that is carrying them. Iperf is a modern tool for network performance measurement written in C++.
Installation in linux: step1: $ yum install -y iperf OR download and install
step2: download jperf
step3: in jperf folder type $ ./jperf.sh
Ethereal:Ethereal is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education.
Installation on linux: step1: yum install -y ethereal-0.99.0-1.src.rpm
ppt2pdf: Converting PPT to PDF. Download
Wireshark: Wireshark was know as Ethereal.Wireshark is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education. README
In Linux: Wireshark