Irish/Resources

Free resources on the internet

Textbooks

• Buntús na Gaeilge (mostly Standard Irish with a preference for Ulster options, dialect differences are noted)
• Teach Yourself Irish 1961 (dialectal Munster Irish)

Video series

• Now You're Talking (Ulster Irish)
  • Video series on Youtube
  • Textbook + Audio + Video
• Céim Ar Aghaidh (Ulster Irish, for advanced learners)

Podcasts

• Beginner Podcast series from Cultúrlann Uí Chanáin (Ulster Irish)

Spelling and Pronunciation

• Introduction to the Irish spelling (Video)
• Ulster Irish, A Pronunciation Guide
• Fuaimeanna na Gaeilge (Sounds of Irish with sample recordings in three dialects)

Dictionaries (with pronunciation)

• Teanglann
• New English-Irish Dictionary (NEID)

Grammar

• Gramadach na Gaeilge (GnaG): A grammar reference
  • (a bit technical, but if you can deal with grammar terminology, very useful)
  • English translation of an older version
  • German original version
• An Caighdeán Oifigiúil (the official standard; written in Irish)
• Réimnigh: Conjugation tables for common verbs (standard and all three major dialects)

Media

• Raidió na Gaeltachta (RnaG)

Apps

As for Duolingo, it's alright when you have the right expectations. I found it useful for vocabulary and just practice in general, but I wouldn't recommend it as the only thing to use.