Here are several backend examples:
Kubes is a Kubernetes Deployment Tool. It builds the docker image, creates the Kubernetes YAML, and runs kubectl apply. It automates the deployment process and saves you precious finger-typing energy.
Ruby on Jets allows you to create and deploy serverless services with ease, and to seamlessly glue AWS services together with the most beautiful dynamic language: Ruby. It includes everything you need to build an API and deploy it to AWS Lambda. Jets leverages the power of Ruby to make serverless joyful for everyone.
Building infrastructure-as-code is challenging. Lono makes it much easier and fun. It includes everything you need to manage and deploy infrastructure-as-code.
Sonic Screwdriver is a multi-functional tool to manage AWS infrastructure. Its a swiss army knife type of tool and has a variety of uses. Mainly its focus is to automate mundane repetitive tasks into simple one line commands. With it you are able to debug environments and issues quickly.
Jack is a tool to manage AWS Elastic Beanstalk environments. Jack is a wrapper tool around the aws eb cli3 tool. Jack allows you to create environments using the saved template configuration file generated by eb config save. Jack moves these generated config file to the jack/cfg folder of your project and manages the config files from there.