General
- http://en.wikipedia.org/wiki/Irish_language
- http://www.omniglot.com/writing/irish.htm
- http://www.irishlanguage.net/
Basics
- http://freepages.genealogy.rootsweb.ancestry.com/~irelandlist/phrases.html
- http://www.smo.uhi.ac.uk/sengoidelc/donncha/labhairt.html
- http://www.irishverbs.com/index/pronunciation-guide/
- http://www.spellingsociety.org/journals/j22/irish.php
- http://www.nualeargais.ie/gnag/ortho.htm
Phrases
- http://www.linguanaut.com/english_irish.htm
- http://www.irishlanguage.net/irish/phrases.asp
- http://islandireland.com/Pages/folk/sets/proverbs.html
Courses
- http://bliubliu.com/en/
- http://www.erinsweb.com/gae_index.html
- http://www.bitesizeirishgaelic.com/
- http://www.bbc.co.uk/northernireland/irish/blas/learners/
- http://www.irishpage.com/irishpeople/
- http://www.eirefirst.com/lessonintro.html
Listening
Grammar
- http://www.irishverbs.com/index/regular-verb-conjugations-overview/
- https://archive.org/details/grammarirish00odonuoft
- https://archive.org/details/practicalgrammar00connuoft
- http://books.google.com/books?id=iPsFAAAAQAAJ
Dictionaries
- http://www.irishdictionary.ie/home
- http://www.focal.ie/Home.aspx
- http://www.potafocal.com/Home.aspx
- http://www.lexicelt.org/geiriadur/geiriadur.aspx?lang=ga
Vocab
- http://www.digitaldialects.com/Irish.htm
- http://www.memrise.com/courses/english/irish/
- http://quizlet.com/subject/irish/
Reading
- http://www.logoslibrary.eu/index.php?newsearch=1&code_language=GA
- http://www.beo.ie/
- http://www.gutenberg.org/browse/languages/ga
- http://ga.wikipedia.org/wiki/Pr%C3%ADomhleathanach
- http://www.smo.uhi.ac.uk/~oduibhin/sf/
- http://www.foinse.ie/
- http://books.google.com/books?id=2_AIAAAAQAAJ
Other
(From linguastic)