httpExplorer 

Used to examine unaltered http requests and responses intercepted with and without proxy. There are several views for the data. Raw view shows the data in bytes. Text view shows the headers in the request and response as well as the http payload.
http spy trace headers response time proxy

AdWords Clever Wizard 

An extremely easy to use AdWords suggestion and research software. With it, you will quickly discover your target keywords with low competition and high demand. Such information is essential for everyone who use Google AdWords.
adwords suggestion google campaigns advertising keywords

Keyword Investigator 

Keyword Investigator is a search engine optimization and keyword marketing program. It helps you find and analyse keywords that have the most impact and attract highly targeted traffic to your web site.
search engine optimization software keyword marketing software seo software web site promotion software keyword marketing search engine optimization web site promotion