Self-hosted Secrets Management alternatives to HashiCorp Vault

Most people are aware of [HashiCorp Vault for Secrets Management](https://www.hashicorp.com/en/products/vault), but is anyone using one of these other solutions for self-hosted secrets management?

* [Conjur](https://www.conjur.org/get-started/quick-start/oss-environment/) * [KeyCloak](https://www.keycloak.org/guides#server) * [Infisical](https://infisical.com/pricing) * Something else?

If so, what has been your overall experience, and what do you primarily use it for? CI/CD pipeline? Containers management? Other automation?