Cloudability - Cloudability lets you monitor, manage and communicate your cloud costs with one easy tool.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Amazon CloudWatch - Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
CloudCheckr - CloudCheckr provides security, cost and usage reporting and analytics to help users manage their AWS deployment.
Google Cloud Functions - A serverless platform for building event-based microservices.