For those speaking English, The Stanford Encyclopedia of Philosophy is an amazing resource for philosophers and people interested in philosophy in general. The Sociedad Española de Filosofía Analítica has been working on a parallel encyclopedic project in Spanish. Now is coming online. At the moment, only a few articles are available. But many more are expected!
I am really glad to have contributed to this project by writing two entries:
Theories of Consciousness : http://www.sefaweb.es/teorias-de-la-consciencia/