whilst being primarily a paid site does offer free materials (with some poking around) for learning foreign language at 10 words a day.
Internet's largest provider of free and fully downloadable Greek and Latin grammars and readers. With currently 146 free books to choose from, Greek and Latin learners have downloaded 687,131 grammars, readers and classical e-books.
BBC video and audio courses in several foreign languages including French, German, Spanish, Italian, Greek, Portuguese and more