Here's a list of some resources I've found useful.  Feel free to tweet me @FiddlersCode if you want to add something!

Meditation

• Headspace app
• Mark Williams guided meditation (on Spotify)
• Insight Timer app
  
• ​Wherever You Go, There You Are by Jon Kabat-Zinn, M.D.

Emotional Intelligence

• The Power of Vulnerability (Brené Brown Ted Talk)

Smart Work

• Sandi Metz' Rules for Developers
• Hidden Brain podcast: The Value Of 'Deep Work' In An Age Of Distraction (July 25, 2017)
  
• Pomodoro Technique
• Chrome Marinara extension (for pomodoros)

Coding Community

• Code Newbie podcast
• Femgineers YouTube Channel
• And search meetup.com for coding meetups near you and GO!!

​Sleep

• The Sleep Revolution by Arianna Huffington
• ​f.lux (free software to reduce the blue light from your screen at night)
• Lumie sunrise alarm clock

Ruby

• The Well-Grounded Rubyist
• The Pickaxe
• Effective Testing with RSpec
• ​Practical Object-Oriented Design in Ruby (POODR)

JavaScript

• Eloquent JavaScript
• Facebook React tutorial
• Express (framework for Node)
• What is Node?
• Wat

Python

• Obey the Testing Goat
• Django (framework)

Design

• 10 Free Wire-Framing Tools for Designers

Miscellaneous

• fatal: CRLF would be replaced by LF
• RegExr
  
• Draw.io (diagramming)