Elastic ingest pipelines
Open Guide to AWS
https://www.strongdm.com
Logstash, but in Rust
https://greenmail-mail-test.github.io/greenmail/#deploy_docker_standalone
Mingrammer diagrams as code
Open Policy Agent is pretty darn cool, if you like Rego (derived from datalog, from Prolog).
Related: Regula
Learn AWS quick
Benthos - I am always looking for better tools for processing streaming events. Logstash is powerful and flexible, but it's also a complete dog for performance. Also have my eye on Apache Storm, Flink, Wallaroo, and Mozilla Heka.
Smallstep - Private x.509 certificate authority
NSQ - Realtime distributed messaging
SSH Agent Explained
SaaS Operations Management - https://www.g2.com/categories/saas-operations-management
https://www.checklyhq.com
https://trackssl.com
https://github.com/Netflix/bless
https://jameshfisher.com/2018/03/16/how-to-create-an-ssh-certificate-authority/
SCIM
Vulnerability scanning for Infrastructure-as-Code
Terraform tools: (via)
https://github.com/hashicorp/terraform-provider-aws/issues/7926