The following free, online resources will be useful to anyone investigating the Qur’an, hadith and tafsir (commentaries). These are invaluable when researching about a particular word, verse or topic.
Transliteration of the Qur’an and many compared English translations
Word-for-word Arabic-English translation and transliteration with annotated grammar, syntax and morphological information for each word, view occurances of a word. This site is superb.
Download tool to find occurances of root Arabic words, with links to entries for the word in scans of Lane’s authoritative Arabic-English Lexicon.
Search the hadith in English
http://www.usc.edu/schools/college/crcc ... earch.html
See many different Arabic tafsir (commentaries) for any selected verse in the Qur’an, and a few in English
Search the Qur’an by verse number or in English, see English translations, Arabic text and transliteration
Search the transliterated Qur’an with phonetic search
And a couple of useful sites if you can can read any Arabic:
Search the Qur’an, hadith and tasfir in Arabic
Search the Qur’an, hadith, tasfir and biographies of Muhammad in Arabic