cloudoptimizer
https://cloudoptimizer.io/

Chaos Mesh
Chaos Mesh is a Cloud Native Computing Foundation (CNCF) hosted project. It is a cloud-native Chaos Engineering platform that orchestrates chaos on Kubernetes environments.

https://github.com/chaos-mesh/chaos-mesh

Good replacement for argo-rollouts
https://flagger.app/

extremely useful tool which allow u to keep cluster clean

Popeye - A Kubernetes Cluster Sanitizer
https://github.com/derailed/popeye

Free Kubernetes

list of free saas k8s

https://github.com/learnk8s/free-kubernetes

vals is a tool for managing configuration values and secrets.
https://github.com/variantdev/vals

SLO,SLA,SLI

https://ervinbarta.com/2021/10/19/slo-alerting-for-mortals/
https://habr.com/ru/company/nixys/blog/595259/

#SRE

System Design Examples

Designing WhatsApp - http://highscalability.com/blog/2022/1/3/designing-whatsapp.html
Designing Uber - http://highscalability.com/blog/2022/1/25/designing-uber.html
Designing Tinder - http://highscalability.com/blog/2022/1/17/designing-tinder.html
Designing Instagram - http://highscalability.com/blog/2022/1/11/designing-instagram.html
Designing Netflix - http://highscalability.com/blog/2021/12/13/designing-netflix.html

I’m still not sure that it’s a good idea to use terratest because it’s really difficuly to test complex infrastucture, but anyway I glad to see improvements in this area.


Test Azure Terraform code with Terratest
https://rakesh-suryawanshi.medium.com/test-azure-terraform-code-with-terratest-6c1b1249aea2

Blueboat is an open-source alternative to Cloudflare Workers and aims to be a developer-friendly, multi-tenant platform for serverless web applications.

https://github.com/losfair/blueboat