Operating systems

• Linux, Windows, Mac OS / OS X, MS-DOS
• Android, iOS, Lineage OS, CrDroid

Programming

• C++, C#, Python
• HTML, CSS, JavaScript
• Bash

Hosting

• GitHub Pages, Cloudflare pages

Containerization / Virtualization

• Proxmox, VMWare, Virtualbox
• Docker
• Portainer, Kubernetes
• virt-manager

Automation

• Ansible

Hardware / Prototyping

• Arduino
• Raspberry Pi

Home Automation

• Home Assistant

AI platforms

• Open WebUI
• Ollama
• Stable diffusion

Servers

• NGINX, Apache

Content Management Systems & Static Site Generators

• Wordpress, Drupal, Hugo, NueJS

Package Managers / Runtime Environments

• Bun, npm, Node.js

Version Control Systems

• Git, GitHub, GitLab

Security Tools

• Splunk, Suricata, Wazuh

Networking / Firewalls / Firmware

• OpenWRT, UFW, OPNsense
• Bind9, Unbound, Pi-hole
• Cloudflare, ClouDNS
• AdGuard Home
• Wireshark
• Cisco Packet Tracer
• Cellmapper

Databases

• MySQL, MariaDB
• InfluxDB
• MongoDB

Graphic Design

• GIMP, Inkscape, Canva

Data Visualization

• Matplotlib

Media Management

• Jellyfin
• Immich

Password Management

• Bitwarden

VPN Tools

• Tailscale, ZeroTier
• OpenVPN