GitSpo - Measure & engage your open-source community
Interfacer - Collection of more than 200+ free design resources
Devo - Devo delivers real-time operational & business value from analytics on streaming and historical data to operations.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
LibHunt - LibHunt tracks mentions of software libraries on relevant social networks. Based on that data, you can find the most popular projects and their alternatives.
Freebiesbug - Collection of the best free web design resources.