Foclóir comhoibritheach é FocloirGaeilge.ie. Is féidir clárú mar ball le focail a chur leis.

FocloirGaeilge.ie is a unique free Irish dictionary in that it's built and edited by its members. It is also available in English through http://www.irishionary.com

Focal.ie

Focal.ie
Bunachar náisiúnta téarmaíochta don Ghaeilge, arna fhorbairt ag Fiontar, DCU le maoiniú ó Fhoras na Gaeilge

The national terminology database for Irish, developed by Fiontar, DCU with funding from Foras na Gaeilge

IrishEnglishDictionary.com

Irish English Dictionary
A free translation website for English to Irish, or vice versa.

An Gramadóir

An Gramadóir
An Gramadóir is an open source grammar checking engine. I personally highly recommend this and find it a great learning tool also. It is intended as a platform for the development of sophisticated natural language processing tools for languages with limited computational resources. It is currently implemented for the Irish language (Gaeilge); this is, to the best of my knowledge, the first grammar checker developed for any minority language.

An Focloir Beag

An Foclóir Beag
Translates to "The Small Dictionary". Offers translations, an much more such as tenses and other useful information for full understanding of the Irish Language.

Achmainn

Freagra
Freagra (the Irish for 'answer') can be accessed via phone, text or email and promises a quick response to queries on all aspects of the Irish language. Most Irish people have some ability in Irish, but even the most confident speakers are sometimes uncertain about vocabulary, spelling or grammar. Freagra offers speedy and expert advice in your preferred format.