Secrets management software is a tool for securely storing, managing, and monitoring sensitive information like passwords, API keys, and certificates that applications and users need to access IT resources.
This type of software offers a centralized location to prevent hard-coding secrets in source code, automates processes like secret rotation, and enforces access policies to improve security and streamline workflows.
This roundup picks the finest secrets management tools for Linux.
Here’s our verdict captured in a legendary LinuxLinks-style ratings chart. Only free and open source software is eligible for inclusion here. Note that Vault’s license is not compliant with the standard definition of open source.
Click the links in the table below to learn more about each tool.
| Secrets Management | |
|---|---|
| OpenBao | Manage, store, and distribute sensitive data |
| SOPS | Editor of encrypted files |
| Sealed Secrets | One-way encrypted secrets |
| Teller | Manages secrets across multiple vaults and cloud services |
| External Secrets Operator | Synchronizes secrets from external providers with Kubernetes |
| Infisical | Secrets management, PKI, and SSH access |
| Secrets Store CSI Driver | Mounts external secrets into Kubernetes pods |
| fnox | Encrypted/remote secret manager |
| Envy | Slick TUI for browsing secrets and a CLI for automation |
| Conjur | Secures application secrets and authenticates machine identities |
| Phase | Collaborative secrets management for teams |
| Chamber | Modern secret management solution |
This article has been updated to reflect the changes outlined in our recent announcement.
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