Timber.io - Timber.io is the best logging platform for ruby, node, elixir and much more.

Raygun - Raygun gives developers meaningful insights into problems affecting their applications. Discover issues - Understand the problem - Fix things faster.

Trunc Log Management / SIEM - All your logs in one place. Log Analysis, Alerting and Correlation.

Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.

Fig - Fast, isolated development environments using Docker.

Kafka - Apache Kafka is publish-subscribe messaging rethought as a distributed commit log.