UPDATE I want to earn more money and get a job in IT, what does that mean
https://www.udemy.com/user/gary-mcneely/
Windows and Linux Administration
https://www.virtualbox.org/
https://www.microsoft.com/en-us/windo…
https://www.microsoft.com/en-us/evalc…
https://www.microsoft.com/en-us/downl…
https://www.microsoft.com/en-us/downl…
https://www.ubuntu.com/
https://www.linuxmint.com/
https://getfedora.org/
https://www.distrowatch.com/
https://www.turnkeylinux.org/all
Firewall Administration
open source firewall
https://www.untangle.com/
https://www.pfsense.org/
http://www.smoothwall.org/
https://www.wireshark.org/
Network Administration
Open Source Network Operating System
https://www.netacad.com/courses/packet-tracer
https://vyos.io/
https://www.openswitch.net/
https://packetpushers.net/podcast/show-399-open-networking-production/
https://cumulusnetworks.com/
Storage Administration
Open source Network Storage
http://www.freenas.org/
https://www.openfiler.com/
Backup Administration
Veeam Backup and Replication
https://www.veeam.com/
CommVault
https://www.commvault.com/trials
Database Administration
http://www.dbase.com/
http://www.oracle.com/
https://www.ibm.com/analytics/us/en/db2/
https://www.mysql.com/
Programming
https://www.python.org/
https://java.com
IT Asset Management software
https://snipeitapp.com/
https://www.open-audit.org/