Moroccan Vocabulary - Offers one word a day from the Moroccan Darija. Easy explanations along with a picture makes it easy for you to memorize the word, and enrich your vocabulary in the Moroccan Arabic dialect on a daily basis. - http://www.moroccanvocab.blogspot.com
Gulf Arabic - Basic lessons on everyday usage of Gulf Arabic, including grammatical explanations and sound files to aid pronunciation. - http://www.gulfarabic.com
Language Guide - Arabic - Vocabulary grouped by topic with pictures and sound. Developed by volunteers. - http://www.languageguide.org/arabic/
Learn Arabic Online with Natural Arabic - Regularly updated commercial course teaching mainly media Arabic through parallel texts. Free samples. - http://www.naturalarabic.com
Speak Moroccan - Contains resources about Moroccan Arabic dialect, with a list of vocabulary and grammar as well as a forum to discuss subjects related to the Moroccan dialect. - http://www.speakmoroccan.com
Arabic Language Vocabulary - Small but growing site for learning and practicing Arabic vocabulary and the Arabic alphabet using flashcards and mathcards. - http://www.toasterhead.net/arabic/
Syrian Colloquial Arabic Course - Comprehensive downloadable language textbook and soundfiles, featuring real situations and conversations. Usable for self-study or as a textbook. Fully indexed. - http://syrianarabic.com/
Arabic Course from dalilusa.com - Online courses on both modern classical and modern colloquial Arabic. - http://www.dalilusa.com/Arabic_Course/intro.asp
Learn Arabic Online - Commercial web-based course with real audio and animation to illustrate how letters are written. Also includes a list of common words and phrases with pronunciation. - http://www.arabic2000.com/arabic/
Fun with Arabic - Online Arabic course using an entertaining interactive approach. It teaches the alphabet, grammar, word formation and short phrases. - http://www.funwitharabic.com/
Unforgettable Survival Arabic - Software for learning Arabic using the Linkword memory method. - http://www.unforgettablelanguages.com/frames_a7.html
BABEL:arabic - A free course for beginners. - http://i-cias.com/babel/arabic/index.htm
Arab Academy - The Arab Academy, based in Egypt, presents online Arabic Language courses and tests for children and adults. Courses in Modern Standard Arabic, Colloquial Arabic, Business Arabic, Quran, Hadith, and Sirah. - http://www.arabacademy.com/