Free online Mandarin video course
Chinese is so Easy is a free course from Udemy instructed by Anna Lee.
11 lectures & 1 hour of video content
This course offers 11 lectures and 1 hour of content geared toward teaching you to greet people and introduce yourself, inquire about family and talk about your hobbies and skills.
Aimed at beginner learners
These lessons are appropriate for people with no prior experience with Chinese, beginners interested in improving speaking and listening skills quickly and anyone who wants to live in China.
Free app, too
Udemy is an online platform whose mission is "to help anyone learn anything". All of their courses can be done online as well as on Android and iOS.