Operating System: Either PopOS or chosen based on project requirements (Windows, macOS).
Code Editors and IDEs: VSCodium
Version Control: Git + External GitLab / GitHub / GitTea instance.
Package Managers: Depending on language (eg: npm, pip, etc).
Terminal and Shell: Zsh with Oh My Zsh
Database Tools: phpMyAdmin, DBeaver
API Development Tools: insomnia, bruno
Virtualization Software: Docker, Kubernetes, Vagrant, Terraform