I use the following-

Language:
Python 3
TypeScript
Ruby

Full stack web development:
Rails
Django
NextJS

Virtual Environment:
Docker

IDE:
PyCharm, Sublime Text, VS Code

Database:
PostgreSQL
SQLite

Terminal:
iTerm2

Operating System:
macOS

Git:
Github

Deployment:
EC2, ECS, S3, Route 53, CloudFront, IAM, RDS
Heroku

CI/CD Pipeline:
CodeDeploy, CodePipeline