1. soft-skills
1.1. bash
1.2. basic SSH
1.3. github
1.4. Common CLI tools
2. dev-ops
2.1. infrastructure-platforms
2.1.1. Digital Ocean
2.1.2. AWS
2.1.3. Google Cloud
2.2. ci-pipelines
2.2.1. codeship
2.2.2. github-actions
2.3. hosting
2.3.1. Netlify
2.3.2. Paid web hosting
2.3.3. Digital Ocean
2.4. Docker
3. cs
4. nodejs
4.1. expressjs
4.2. apollo
5. utils
5.1. rx.js
5.2. ramda
6. tools
6.1. documentation, Unit / E2E Testing
6.1.1. jest
6.1.2. esdoc, tsdoc
6.1.3. cypress.io
6.1.4. StoryBook- documentation / component development
6.2. development
6.2.1. eslint
6.2.2. eslint-typescript
6.2.3. sonarqube
6.3. gulp
6.4. webpack
6.5. grunt
7. core
7.1. HTML
7.2. CSS
7.2.1. SASS
7.2.2. LESS
7.3. languages
7.3.1. javascript
7.3.1.1. typescript
7.3.2. solidity
7.3.3. rust
7.3.4. python
7.3.5. golang
7.3.6. elixir
7.3.7. Java
7.3.7.1. scala
7.3.7.2. kotlin
7.3.8. ruby
7.3.8.1. ruby on rails
8. frontend
8.1. react.js
8.1.1. design
8.1.1.1. antd
8.1.1.2. styled-components
8.1.2. state-management
8.1.2.1. redux
8.1.2.2. mobx
8.1.3. jamstack
8.1.3.1. next.js
8.1.3.2. Gatsby.js
8.1.4. additional
8.1.4.1. create-react-app
8.1.4.2. react-stroybook
8.1.4.3. react-router
8.2. data-visualization
8.2.1. recharts
8.2.2. d3.js
8.2.3. highcharts
8.2.4. three.js