Stepik: online courses

Learn anywhere you want with Stepik Mobile App. Stepik is a platform with the best online courses devoted to Computer Science and everything tech-related. Learn data structures, Python programming, statistics and many other useful skills. 

Access video lectures and assignments on the go.
Download lectures to study even when you’re offline. 
Never forget a deadline by easily importing them in the calendar
Connect with your fellow students and get your questions answered instantaneously by  engaging in the comment section.
Set reminders to motivate yourself and study regularly to maintain and improve your personal record. 
Earn certificates and share them with your friends or improve your job prospects by sharing them on LinkedIn. 
Adjust the speed of the video playback for optimal learning experience.