GitSpo - Measure & engage your open-source community
Wildcard - Discover, connect and meet people at communities
Devo - Devo delivers real-time operational & business value from analytics on streaming and historical data to operations.
Shapr - A completely free way to build your professional network.
Ruby Toolbox - Explore and compare open source Ruby libraries
LetsLunch - Do more with your lunch hour. Meet new people.