Pages I personally use

Courses & Tutorials

https://hackr.io – a database of courses and tutorials covering just about every programming language you could need.
Edx.com – This site has phenomenal courses that can be audited for free. Many come from Ivy Leauge universities, like the infamous CS50 class offered by Harvard.
Coursera.org – Similar as Edx, but probably has even more courses to choose from, covering the entire tech sector, and beyond.
Blockgeeks.com – Plenty of blockchain specific courses that can be audited for free.
Learn.freecodecamp.org
Udacity.com
//w3schools.com/default.asp
https://bitcoinedge.org/tutorials
101Blockchains.com
Blockgeeks.com
Education Ecosystem – loaded with guides and projects in many different programming languages

The Authoritative Guide to Blockchain Development – by Haseeb Qureshi.
P1xt Software Development Guides – P1xt offers roadmaps of resources, leading a complete noob to Developer status, with proficient enough skills, and a comprehensive enough portfolio to land a job, and it’s all free. He covers Web Fullstack, Front and Back End, JavaScript, Python, Java, and more.
The Odin Project – another completely free roadmap and resources, with a full stack curriculum covering HTML, CSS, JavaScript, Ruby on Rails, and more. If you want to attend an online coding bootcamp, with more structure, mentors, cohorts, etc., the Odin Project is owned by Thinkful/Viking. Notes on The Odin Project.
Blockchain Protocols and Smart Contracts – Berkeley’s 2018 Spring Blockchain program, with all the reading material for free. I will be following this as well.

Ultimate Resource List – Jameson Lopp
https://github.com/RaysKai/BlockChain/blob/master/README.md – Curated list of research papers on Blockchain on GitHub : This Repository on GitHub is very valuable for researchers and students trying to understand the Blockchain Technology at its core. It will help you come with an idea for a new product or a research area.
https://github.com/Xel/Blockchain-stuff#bitcoin – Currated list of blockchain and general cryptocurrency resources.
https://github.com/reiver/blockchain-reading-list/blob/charles/initial/README.md – The Blockchain Reading List, extensive.