Pimsleur

Pros

Mostly consists of listening, so it's easy to find time for it
Audio format helps with retaining and using new vocabulary
Easy to use in private; doesn't require conversations with others

Cons

Not the best option for those with a visual learning style
Pace is a little slow, and organization isn't flexible

Features

Price - Prices range. Some languages can be purchased with a monthly subscription of $19.75 per month. For some languages, the cost of the program ranges from $119.95 (30 lessons) to $575 (150 lessons).

Languages Available - Spanish, French, Italian, German, Chinese, Japanese, Russian, English, and over 50 more.

Content and Methods - 30 minute lessons once a day, or whenever the user wants. Most of the lessons consist of audio, with a focus on speaking and understanding. There are also short reading lessons, flashcards, and games available.