Hernando started Wiring in Summer 2003 at the Interaction Design Institute Ivrea in Italy, and he has been developing it since. Wiring builds on Processing so portions of the code are copyright Ben Fry and Casey Reas. Processing © Info.
In June 2004 Hernando left Interaction Design Institute Ivrea. The Wiring code, the language design, the hardware and the complete reference from 2004 are copyright Hernando Barragán.

From 2011 The Wiring code is copyright Hernando Barragán, Brett Hagman and Alexander Brevig.

Portions of the code were written by other contributors and are attributed in the source code. Contributions to the Exhibition and Examples on the Wiring website are attributed in context.

The Wiring Language (API), the Reference for the Language, the Hardware, and the Environment are under a Creative Commons license which makes it possible to re-use this content for non-commercial purposes if it is credited.