1. Coding Languages
   1. Java
   2. Javascript
   3. Typescript
2. Build Tools
   1. Maven
   2. NPM
3. Source Code Management
   1. Git
4. CICD
   1. Jenkins
   2. BuddyWorks
5. Development
   1. Backend
      1. Jersey
   2. Frontend
      1. Bootstrap
      2. Javascript
   3. Server
      1. Tomcat
6. Automation
   1. Levels
      1. UI
      2. API
      3. DB
   2. Libraries
      1. Selenium
      2. Unirest
      3. Rest API
      4. HTTP Client
      5. Cypress
   3. Test Engine
      1. TestNG
      2. Mocha
   4. Development Approach
      1. TDD
      2. BDD
      3. ATDD
   5. Reporting
      1. ReportNG
      2. Extent Report
      3. Allure Report
      4. Cucumber Report
      5. Custom HTML Report
7. Domain Knowledge
   1. eLearning
   2. BFSI
   3. Procurement
   4. Invoicing
   5. Media
   6. Supply Chain Management
   7. Payment Gateways
8. Testing Tools
   1. Chrome extensions
      1. Screen recorder
      2. Bug Magnet
      3. Check my links
      4. Clear Cache
      5. Exploratory Testing
      6. Fake filler
      7. Page load time
      8. Request Interceptor
      9. Test Credit Cards
   2. Websites
      1. FileGenerator
      2. Pairwise
      3. JSON Crack
      4. Faker UI
      5. Support Details
      6. List of naughty strings
      7. JSON Formatter
9. Developer Tools
   1. Datadog
   2. Splunk
   3. Sentry
   4. Launch Darkly
   5. SendGrid
   6. Stoplight
   7. AWS
10. Performance
    1. Jmeter
    2. Taurus
    3. Blazemeter
    4. Gatling
11. Database
    1. MySQL
    2. MongoDB
    3. Postgres
12. Test Management Tool
    1. HP QA ALM
    2. Rally
    3. JIRA
    4. Testlink
    5. Redmine