Ansible Documentation
https://docs.ansible.com/

Subnet / CIDR / IP Calculator
https://www.subnet-calculator.com/cidr.php

Unit Converter (eg GB > MiB)
https://www.gbmb.org

Regular Expression (REGEX) build, test & debug
https://regex101.com/

VMware Compatibility Guide
https://www.vmware.com/resources/compatibility/search.php

Base64 Image Encoder
https://www.base64-image.de/

Alt-Codes for special characters and symbols
https://www.alt-codes.net/

IANA Service Name and Transport Protocol Port Number Registry
https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml