Autoscaling volumes for Kubernetes (with the help of Prometheus)
A variety of open-source Grafana dashboards typically for AWS and Kubernetes
Some universal helm charts used for deploying services onto Kubernetes. All-in-one best-practices
Random tools I've written to make life easier using AWS, namely aws-choose-profile and aws-mfa-login
An multi-threaded cron/supervisord replacement which offers a bit more and is dead simple
Standardized best-practice recommended alarms for AWS Elasticache Memcached