Comparative CyberLexicon - a compilation of English terminology peculiar to computer culture and technology and its equivalents in Spanish.

Diccionarios.com - translations and definitions for Spanish to English, Spanish to French, Catalan to Castilian, and vice versa. Also includes Spanish synonyms and antonyms.

English-Spanish Text Composition System - dictionary of common phrases and expressions.

Online English to Spanish to English Dictionary - simple to use English to Spanish and Spanish to English online translator.

SpanishDict.com - Spanish-English translation dictionary with audio clips of proper pronunciation.