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Address Lookup
Returns the hostname and technical contact (from whois) for an IP address or list of addresses...
EMail Address Crawler
A Thunderbird add-on that automatically fills your Address Book with e-mail addresses extracted from all your e-mails...
eMail Address Extractor
Extract e-mail addresses from various file types and save them for later use....
Email Address Filter
Avoids sending multiple mails to the same person...
Email Address to Clipboard
Email Address to Clipboard - Copy the address to the clipboard...
eMail Address Extractor for Mac
Extract valid e-mail addresses from virtually any kind of text file....
View Your Certificates Email Address for Thunderbird
A Thunderbird add-on that adds a column for displaying the certificates for the e-mail addresses that you use...
view display certificate manager certificate display certificate
LookUp!
Firefox add-on that allows you to search the selected text or phrase on the sites you want....
Who.is Lookup
A Google Chrome extension that lets you browse the who.is website with ease...
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Whois Lookup
Firefox extension that allows you to see in a new tab, data about the current URL....
IMDb Lookup
A great Address Book plug-in that will show the IMDb info of a certain contact....
Markus LookUp
Shell script that displays MX-, NS-, WWW-records for domains or reverse queries for IP-addresses...
Meu LookUp
Meu LookUp - download audio, video and data file stream from internet...
NetID Lookup
Firefox add-on that enables you to search the Illinois NetID database when you highlight a text...
Illinois searcher NetID searcher Illinois NetID database highlight text
Wiki Lookup
A Chrome extension that allows you to browse Wikipedia with ease...
browse searcher search Wikipedia browse Wikipedia wikipedia browser
alexadex lookup
Firefox add-on that lets you lookup URLs and links on alexadex website....
Lookup Postcode
Australian postcodes from Address Book or Entourage...