Access Domains and Search Popular Websites
Search Bing
Find DOI's and other bibliographic metadata
Search Duckduckgo
Search GitHub
Search Google
Search Google Scholar
Search Qwant
Search r-bloggers.com
Search rdocumentation.org
Search rdrr.io
Search Reddit
Search Stackoverflow
Search Twitter
Access Domain
Search Wikipedia
Search WolframAlpha
Functions that allow for accessing domains and a number of search engines.