- https://github.com/antonbabenko/terraform-cost-estimation
- https://github.com/cloud-custodian/cloud-custodian
- https://github.com/aws/amazon-ec2-instance-selector
- https://github.com/rdkls/aws_infra_map_neo4j
commercial:
- https://www.cloudhealthtech.com
- http://densify.com/
- https://spot.io
- https://www.hpcdlab.com