GitSpo - Measure & engage your open-source community
Qikipedia - Instant Wikipedia summary cards on any web page
Devo - Devo delivers real-time operational & business value from analytics on streaming and historical data to operations.
Read Something Great - A fun tool to help fix your information diet.
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.
Wonder for Slack - Remember the things your team forgets