Popular brands, products, services and technologies often used:
Ecommerce
WooCommerce, Magento, MedusaJS, Shopify
Cybersecurity & Intelligence
Maltego, SpiderFoot, Recon-ng, Shodan, FOCA, Kali Linux, Metasploit, Wireshark, Nmap, OpenVAS (Greenbone), Fortinet FortiGate, SonicWall, Cisco Security, Cloudflare
Cloud
Amazon Web Services (AWS), Google Cloud Platform (GCP), Alibaba Cloud (Aliyun)
Linux
Debian, Ubuntu, Pop!_OS, Red Hat, Fedora, CentOS
Microsoft
Windows 10/11, Windows Server, Microsoft 365 / Office, Active Directory, Exchange
Databases
Oracle MySQL, MariaDB, Microsoft SQL Server (MS-SQL)
Servers / Hosting
Apache, Microsoft IIS, Zimbra
Networking / Phone Systems
Cisco, Linksys, Netgear, ShoreTel ShoreGear
Coding / Web Development
PHP, WordPress, WooCommerce, Elementor, Magento, MedusaJS, CodeIgniter, Fuel CMS, Symfony
Project Management / Service Desk
Jira, Asana, Freshworks / Freshservice, Redmine, Trello