Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Amazon S3 - Amazon S3 is an object storage where users can store data from their business on a safe, cloud-based platform. Amazon S3 operates in 54 availability zones within 18 graphic regions and 1 local region.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
AWS Elastic Beanstalk - Quickly deploy and manage applications in the AWS cloud.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.