OpenCores is described as 'Since 1999, OpenCores is the most prominent online community for the development of gateware IP (Intellectual Properties) Cores. It is the place where such cores are shared and promoted in the spirit of Free and Open Source collaboration' and is an website in the development category. There are four alternatives to OpenCores, not only websites but also apps for a variety of platforms, including Android, iPhone, Android Tablet and BSD apps. The best OpenCores alternative is GitHub, which is free. Other great sites and apps similar to OpenCores are GitLab, Git Disroot and LibreCores.