Abbreviations
 AbbreviationZ
 Acronym Finder

Conversion
 Convert Plus
 XE - Universal Currency Converter
Mega Converter 2

An Ghaeilge
Acmhainn.ie
Focal.ie
An Chrannóg

Dictionaries
  Ansme.Com
  Babel Fish Translation
  Biography.Com
  Dictionary.Com
  Glossarist.Com
  Hutchinson's Dictionary of English
  Merriam-Webster Dictionary
  Objectgraph
  Refdesk.Com
  Thesaurus.Com
  Virtual Salt
  Visual Thesaurus
  Word IQ
  Wordreference (Spanish/French/Italian)
  Xrefer (not free)

 

Encyclopaedias
 Columbia Encyclopaedia
 Encyclopaedia Britannica (not free)
 Encyclopaedia of Christianity
 Encyclopaedia Mythica
 Saints and Angels Online
 Wikipedia
 World Flags Database

Quotations
 Brainy Quote

Song Lyrics
 Irish Song Lyrics
 Lyrics World
 Risa Song Lyrics Archive

Statistics
 Aneki World Statistics
 C.I.A. World Factbook
  Country At A Glance
  Country Reports
  Internet World Stats