Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

Fewer Letters	More Letters
MQTT	Message Queue Telemetry Transport point-to-point networking
NAS	Network-Attached Storage
NUC	Next Unit of Computing brand of Intel small computers
VPS	Virtual Private Server (opposed to shared hosting)
XMPP	Extensible Messaging and Presence Protocol (‘Jabber’) for open instant messaging
nginx	Popular HTTP server

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