Open Hardware Observatory
OHO is a search engine for sustainable open hardware, open design and maker projects.
We crawl the web and make its content searchable for you.
Start searching and build a better tomorrow.
“Please use the singular form as search term”
On this page you can visit our OHO Project Directory, the world's most comprehensive list of rated mecha(tro-)nical open hardware projects,
or use our OHO Project Search for DIY, open hardware and eco-friendly technologies by using the search field above.