DuckDuckGo

DuckDuckGo is a search engine that started as a reaction to the large amounts of data that Google collects about its users. DDG uses the Google search results but anonymizes your searches. For simple searches, DDG might guess what you are after an show a special search result at the top. Many times it is not necessary to leave the search page, increasing productivity.

!bangs

DDG has a very useful feature called bangs. Bangs are special searches that fast tracks the user to the site s/he wants to search.

Some useful bangs:

• !js (Mozilla Developer Network)
• !se (Search stack exchange)
• !gh (Search github)
• !wa (Computational search engine Wolfram Alpha, great for maths)
• !cdn (CDN javascript library search)
• !npm (Node package manager)
• !man (*nix manpages search)
• !g (Use vanilla Google search)
• !w (Wikipedia)
• !define (TheFreeDictionary definition search)
• Check out the full list of !bangs