All Fundamental and VCV Rack source code excerpts used in Impromptu Modular are copyright © 2016-2021 Andrew Belt and are licensed under the GNU General Public License v3.0 or later.
All Audible Instruments source code excerpts used in Impromptu Modular are copyright © 2016-2021 Andrew Belt and Audible Instruments contributers and are licensed under the GNU General Public License v3.0 or later.
The lightning svg used to make the Blank panel has the following license :
http://www.supercoloring.com/silhouettes/lightning
Author: Natasha Sinegina
This silhouette is a derivative work (tracing copy). Original image credit: Lightning in Zdolbuniv photo by Lyoha123
Permission: Some rights reserved. This work is licensed under a Creative Commons Attribution-Share Alike 4.0 License.
You are free to share or adapt it for any purpose, even commercially under the following terms: you must give a link to this page and indicate the author's name and the license.