Useful Links
Competitive Programming on Commonlounge
Competitive Programming References by Hackerearth
Competitive Programming by Geeksforgeeks
Find best courses from top universities- ClassCentral
IBM DataScience and many other courses
A-frames by Mozilla for Web-VR
Code.org A perfect place for beginners
Gitter: Where developers come to talk
CyBrary - Place to learn CyberSecurity for free
Google + Pluralsight for free courses for 60days
Leetcode - for learning Competitive Programming.
Exercism - Improve your Coding Skills
Build ReactNative Apps by Facebook
Build websites using Github Pages
Find Freelance Jobs Online - Freelancer
Internshala - Apply for Internships
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Amazon-Free training,Resources and Certification
FreeCodeCamp -Learn to code for free
Learnvern - learn any course for free
Google’s Machine Learning Crash Course
Microsoft Virtual Academy learn all courses for free
Google Codelabs for Handson Training
Android Fundamentals Course by Google
Advanced Android Course by Google
Mozilla’s Web Development Resources