Misc

Sites

Web Skills - visual overview of useful skills to learn as a web developer;
Glo Academy - useful links by aislam23;
Best websites - best websites a programmer should visit;
Web development - settings, instructions, tools used in web development;
Hexlet Guides - most popular articles on general topics;
DotNet Core Tutorials - .NET Core tutorials;
Ulearn - interactive online programming courses;
Code Basics - useful links by code-basics;
Bool dev blog - useful links by bool dev;
Typical typesetter - useful links by Typical typesetter;
HTML Academy Tools - top tools by htmlacademy;
Roadmaps - community driven roadmaps, articles and resources for developers;
Hide API keys - how to hide your API keys;
Bootstrap Cheatsheet - Bootstrap 4 cheat sheet;
Challenge websites - 10 sites with tasks that will make you a pro;
All types of sort - bubble sort and all-all-all;
DDD concept - DDD, Hexagonal, Onion, Clean, CQRS and etc;
10 Tags - your first 10 HTML tags;
JSDoc - document your JavaScript code;

NPM Tutorials

ESLint - using ESLint right;
EditorConfig - Why development teams should use EditorConfig;
Webpack - introduction to Webpack for beginners;

.NET

Chart.js - creating charts with ASP.NET Core;
Repository - ASP.NET Core Web API with Repository pattern;
JSON - working with JSON in C#;
EF Core + Docker - EF Core in Docker container;
Authentication - GMail And Facebook based authentication;
Azure Container Registry - deploy .NET Core application;
Collections - difference between IQueryable, IEnumerable and IList;
Windows Authentication - simple role authorization with windows authentication;
TypeScript & Webpack - add TypeScript and Webpack to an ASP.NET Core project;

Common services

Papercut SMTP - simple desktop email helper;
Rico's Cheatsheets - modest collection of cheatsheets;
Temp Mail - generator of temporary email address;
Ethereal - fake SMTP service;
Gource - animated tree with the root directory of the project at its centre;
Diffchecker - diff tool to compare text differences between two text files;
Code Beautify - online code beautifier which allows you to beautify your source code;
Web Dev Checklist - web developer checklist;
GUID generator - online GUID generator;