On this page you can find information on freely-licenced hardware circuit designs, at the moment only from OpenCores.
This is based on but goes beyond the information available on the OpenCores site. I have manually downloaded and looked at a largish number of designs to add the language where it was not given, extract licences form the sources, add project homepages where applicable and adjust the status of projects. That said, everything comes without any warranty; if you want to use a design, you have to look at the licence in the sources.
YAML catalog of OpenCores projects from March 2015
A few open designs refer to draft licences that were once published by the OpenIPCore Organization. They were originally available on the OpenCores site but have been removed; I have retrieved them from the Internet Archive Wayback Machine.
OpenIPCore Hardware General Public License (OHGPL) Version 0.20
OpenIPCore Hardware General Public License (OHGPL) Version 0.17
Open Hardware Public License Version 1.0
Hardware Design Public License Version 0.04
Open NDA Version 0.0
Some designs on OpenCores are a nuisance to download, so I have mirrored them here. These may only be a single source file or have unusual file formats such as .doc (yes, really).
Disclaimer: This site is an offering from a private citizen to other private citizens. The information provided is not a product, cannot be assumed to be suitable for any particular purpose, and comes without warranty of any kind. It is not intended for commercial or other organisational use, and even personal use is at your own risk.
TOS / Impressum