ONLINE CONJUGATORS: wordreference (all tenses), verbix (all tenses), choose the tense(s) you want

SPANISH/ENGLISH DICTIONARY:  wordreference.com (great resource because it has forums to discuss less common expressions)

GRAMMAR EXPLANATIONS AND PRACTICE ACTIVITIES:  studyspanish.com 

GRAMMAR ACTIVITIES:  bknelson 

ONE-STOP SHOPPING--SO TO SPEAK (verb conjugator, Spanish sentence maker, Spanish text translator, games and resources):  123teachme 

FREE USE CONTENT (content that you can legally use, without worrying about copyright infringement!): creative commons search 

Verb conjugation blanks

divider tabs (label headings)