Brazilian Portuguese: Minilessons in grammar and everyday phrases. Searchable site; also reading resources, sound files, and links.
Fale Português (Speak Portuguese): Brazilian Portuguese learning page designed for English speakers, with a short language course, essays and cultural information.
Núcleo Interinstitucional de LingüÃstica Computacional: Research projects on computational linguistics, with a focus on Portuguese, and with an extensive bibliography. Some listings are linked to full-text downloadable article files. The project is managed by a team at the University of São Paulo in Brazil.
Notes on European Portuguese: Includes notes on the linguistic development of Portuguese, and a Brazilian-Portuguese dictionary.
Portuguese Grammar: Phonetics, grammar and exercises with answers. Portuguese-language site. Author: J. João Campagnaro.
Portuguese Idioms Literally Translated: Compiled, translated, and explained in English by Tágide Crista.
The Portuguese Language: Language, history, and evolution