* The programming language used in the simulation game ''[[Core War]]''
* [[REDCODE]], a [[video codec]] used in one model[[RED ofDigital digital videoCinema]] cameracameras
* [http://www.markit.com/en/products/data/reference-data/red/red-cds.page? RED Code] - Markit RED legally verifies CDS reference entity and reference obligation data. Unique alphanumeric RED codes help reduce errors when confirming trades and ensures the correct representation of the underlying credit risk. These codes are owned an licensed by [[Markit Group]].