Pandas in a Nutshell - http://kanoki.org/2017/07/16/pandas-in-a-nutshell/
Tad - Free tabular data viewer - http://tadviewer.com/
htmlreference.io - A free guide to HTML - http://htmlreference.io/
Awesome D3 - A list of D3 libraries, plugins, and utilities - https://github.com/wbkd/awesome-d3
D3.js - Data-Driven Documents - https://d3js.org/
Functional Light JS - Functional programming in JS book - https://github.com/getify/Functional-Light-JS
How to write a JS library - Lots of gold in here - https://egghead.io/courses/how-to-write-an-open-source-javascript-library
Mostly Adequate Guide - Frisby's guide to functional JS - https://github.com/MostlyAdequate/mostly-adequate-guide
Now UI - Nice Bootstrap 4 UI Kit - http://demos.creative-tim.com/now-ui-kit/index.html
Paper JS - The Swiss Army Knife of Vector Graphics Scripting - http://paperjs.org/
Remark.js - A simple, in-browser, markdown-driven slideshow tool - http://remarkjs.com
Reveal.js - A presentation framework - http://lab.hakim.se/reveal-js/#/
vuetifyjs - Material Component Framework - https://vuetifyjs.com/
Yarn - Improved Node Package Manager - https://yarnpkg.com/en/
You Don't Know JS - A book series on JavaScript - https://github.com/getify/You-Dont-Know-JS
Functional Programming in Haskell - https://www.youtube.com/playlist?list=PLF1Z-APd9zK7usPMx3LGMZEHrECUGodd3
Effective Haskell - https://pragprog.com/titles/rshaskell/effective-haskell/
Contributor Covenant - A Code of Conduct for Open Source Projects - http://contributor-covenant.org/
Database ERD Designer - http://ondras.zarovi.cz/sql/demo/
Free Dev Services - List of services with free level - https://github.com/ripienaar/free-for-dev
Shields.io - Software Status Shields - http://shields.io/
Signing Code on Github - https://medium.com/python-pandemonium/python-package-management-for-the-paranoid-52c23f6aba6a
TL;DR;Legal - Info on Software Licenses - https://tldrlegal.com/
US Government Web Design Standards - https://github.com/18F/web-design-standards
Web Dev Checklist - http://webdevchecklist.com/
Briefcase - Build Python Native App - https://beeware.org/project/projects/tools/briefcase/
Datasette - Explore data efficiently - https://datasette.io/
Graph Gallery - https://python-graph-gallery.com/
LibHunt - A curated list of awesome Python frameworks, packages, software and resources - https://python.libhunt.com/
Maya - Datetimes for Humans™ - https://github.com/kennethreitz/maya
Py-Spy - A sampling profiler for Python programs - https://github.com/benfred/py-spy
Python 3 Module Index - https://docs.python.org/3.6/py-modindex.html
Visualizing data – overlaying charts in python - http://pythondata.com/visualizing-data-overlaying-charts/
WTF Python - A collection of interesting, subtle, and tricky Python snippets - https://github.com/satwikkansal/wtfpython
Blessed Crates - An unofficial guide to the Rust ecosystem - https://blessed.rs/crates?lid=35102
Let's get Rusty - The Rust Programming Book Tutorial - https://www.youtube.com/playlist?list=PLai5B987bZ9CoVR-QEIN9foz4QCJ0H2Y8
Trevor Sullivan - Rust Programming Tutorial - https://www.youtube.com/playlist?list=PLDbRgZ0OOEpUkWDGqp91ODn0dk7LPBAUL
W3AF - Web attack and audit framework - https://github.com/andresriancho/w3af