DSpace - DSpace open source software enables open sharing of content that spans organizations, continents...
Designer List - Global directory of product designers
Invenio - Invenio is a free, open-source software to run a digital library or document repository on the web.
Buy it on Pinterest - Buy things directly on Pinterest.
Koha - Koha is the first free and open source software library automation package (ILS).
Pack - Makes it simple to find the best roommates.