generated at
not invented here
NIH症候群
Anti-pattern
Appeal to spite
association fallacy
De facto standard
Dogfooding
Editor wars
Endowment effect – ascribing higher value to what is one's own
Ethnocentrism
Galápagos syndrome
Genetic fallacy
Groupthink
IKEA effect
In-group favoritism
Invented here – opposite. Not invented there (NIT)
List of cognitive biases
Protectionism
Reinventing the wheel
wishful thinking
You aren't gonna need it (YAGNI)

googlenot invented here
image not invented here
define not invented here
wikipedia not invented here
weblio not invented here
kotobank not invented here
jisho not invented here