Vault by HashiCorp - Tool for managing secrets
AWS Secrets Manager - AWS Secrets Manager to Rotate, Manage, Retrieve Secrets
Doppler - Doppler is the multi-cloud SecretOps Platform developers and security teams trust to provide secrets management at enterprise scale.
Infisical - Infisical is an open source, end-to-end encrypted platform that lets you securely sync secrets and configs across your engineering team and infrastructure
Passbolt - Open source password manager for teams
Torus - A secure, shared workspace for secrets