OpenBao
MPL-2.0Linux Foundation-backed, fully open source fork of Vault.
View versions & download →HashiCorp Vault
BSL 1.1Centralized secrets management, encryption as a service.
Not OSI-approved open source since 2023 — see OpenBao above for a fully open alternative.
View versions & download →SOPS
MPL-2.0Encrypts values in YAML/JSON/ENV files, Git-diff friendly.
View versions & download →External Secrets Operator
Apache-2.0Syncs secrets from external APIs (Vault, AWS, GCP) into Kubernetes.
View versions & download →Need this stack designed and operated for you?
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