Repography allows you to create graphical dashboards you can embed in your README.md, and also to turn your project into a beautiful data visualization posters for your home or office.

Sentry provides real-time crash reporting, giving your team insight into errors affecting your customers in production. Sentry supports dozens of languages and frameworks and is trusted by thousands of companies like Pinterest, Uber, Stripe, Dropbox, and Airbnb.

Sentry doesn't just alert you to errors, but integrates into your GitHub development flow by linking errors to the commit and author likely responsible, creating new GitHub Issues, and resolving errors with commit message.