https://endoflife.date/windows
= Microsoft Windows Support Zeiten

https://endoflife.date/office
= Microsoft Office Support Zeiten

https://youtube.com/@Bitjunkieorg
= Bitjunkie

https://www.youtube.com/checkmk-channel
= checkmk - Monitoring Software

https://youtube.com/@gdataDE
= G DATA CyberDefense AG

https://www.youtube.com/user/SilentDeath86
= Haiko Hertes

https://youtube.com/@LancomSystems
= LANCOM Systems GmbH

https://youtube.com/@NEWGenerationEDV
= NEW Generation

https://youtube.com/@paloaltonetworks
= Palo Alto Networks

https://youtube.com/@PaloAltoNetworksLiveCommunity
= Palo Alto Networks LIVEcommunity

https://www.youtube.com/@pascomnet
= pascom GmbH & Co. KG

https://youtube.com/@PowerCertAnimatedVideos
= PowerCert Animated Videos

https://youtube.com/@SebastianPhilippiTV
= Sebastian Philippi