(Neither the University of Edinburgh or the site author is responsible for these links’ continuing viability. Please, however, do inform me if the links fail repeatedly and they will be removed.
Suggestions for additional links, and new categories of links, are very much welcome!)
http://www.najaf.org/english/book/28/index.htm
http://www.coiradio.com/library/library/index.htm
http://www.noorlib.ir/view/en/default
http://imamhussain-lib.com/arabic/pages/blist01.php
http://al-shia.org/html/ara/index.php
http://www.shiaweb.org/Download_Books/index.html
http://www.marashilibrary.com/
http://gadir.free.fr/Ar/maktaba.htm
http://www.ziyaraat.net/findbook.asp
https://islamiclib.wordpress.com/
Shiapedia:
English: http://shiastudies.org/shiapedia
Arabic: http://shiastudies.org/ar/shiapedia
WikiShia:
http://en.wikishia.net/view/Main_Page
Shii Dates
http://shiidates.net/
A database of the death records of Shiʿi scholars spanning fourteen centuries arranged in a chronological order. The website also contains a list of primary and secondary sources as well as work-in-progress statistics.
Calendar converter (Gregorian, Julian, Islamic, and Persian (i.e., Solar Hijri):
https://www.muqawwim.com