M365, Windows, MACOS, LINUX (variations), OPENBSD, Knoppix, POP!_OS, Kali, IIS, User Mgr., Apache, Netscape ES, Tomcat, Azure, AWS, Python, Ruby, Swift, C++, J2EE, Perl, VB, VBA, VBScript, PHP, XLT, SURGE, QLP, SQL, HTML/DHTML, XML, JSP, ASP, LISP, COBOL, Microsoft Access, Oracle, Microsoft SQLServer, MySQL, SQLite, Photoshop (all versions), Illustrator, Draw, Image Ready, DALL E 3, MidJourney, Conceptdraw, HITP/HTTPS, TCP/IP, IPX, FTP, SNMP, SMTP, PVFS, MPI, Zoho, PGP, SSL, SSH, IDS, Linux Firewalls, VPN, Zero Trust Security frameworks, Next-Generation Firewalls (NGFW), Advanced Threat Protection (ATP), OAuth 2.0, OpenID Connect, SAML, MS Defender, AWS IAM, Bitdefender, SiLK, eMASS, Unisys 2200, 051100, RPG, SIFS, MS Office Suite, Adobe Creative Suite, JIRA, Confluence, Evernote, Slack, Teams, Teamwork, BaseCamp, (numerous others)