WhatRuns is a free technology lookup tool for developers, designers and salespeople to discover the technologies used on any website.
Available for free on Chrome and Firefox.
ProductHunt Upcoming: WhatRuns Leads
Very good for observing our competitors websites...
Pros:Very good tool....technology analysis made very easy.
Cons:nothing ..
Suggestion : Since you can collect data about each site . You turn this data into a useful blog about the trends in programming languages & tools used around the world .
Pros:Clean Interface, light weight and simple to use..
Cons:Nothing in particular .
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