SHSelfHostIndex

Knox vs HashiCorp Vault

A side-by-side comparison of two self-hosted password managers options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
KN Knox Service for storing and rotating application secrets VS HashiCorp Vault Secrets management and data protection for infrastructure
FeatureKnoxHashiCorp Vault
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score65 · Good99 · Excellent
CategoryPassword ManagersPassword Managers
LicenseApache-2.0BUSL-1.1
LanguageGoGo
Setup difficultyMediumHard
Min. RAM256 MB256 MB
Deploymentdocker, binary, sourcedocker, kubernetes, binary
GitHub stars★ 1,271★ 36,283
First released20162015
ReplacesHashiCorp Vault, AWS Secrets ManagerAWS Secrets Manager, Azure Key Vault

What are Knox and HashiCorp Vault?

Knox

Knox is an open-source secret management service developed at Pinterest. It stores, rotates and provides access control for sensitive keys, passwords and certificates used by applications.

  • Centralized secret storage
  • Key rotation and versioning
  • Access control lists
  • Audit logging

Read the full Knox guide →

HashiCorp Vault

HashiCorp Vault is a tool for securely storing and accessing secrets such as API keys, passwords and certificates. It provides dynamic secrets, encryption as a service and fine-grained access control.

  • Dynamic, short-lived secrets
  • Encryption as a service
  • Detailed audit logging
  • Pluggable secrets and auth backends

Read the full HashiCorp Vault guide →

Knox vs HashiCorp Vault: key differences

Both projects are written in Go. Licensing differs — Apache-2.0 for Knox versus BUSL-1.1 for HashiCorp Vault. HashiCorp Vault has the considerably larger community, at 36,283 GitHub stars versus 1,271.

Why pick each one

Choose Knox if…

  • Battle-tested at Pinterest
  • Simple Go service

Watch out for

  • Smaller community
Knox details

Choose HashiCorp Vault if…

  • Industry standard for secrets
  • Powerful policy engine

Watch out for

  • Steep operational complexity
  • License changed from open source
HashiCorp Vault details

Frequently asked questions

Is Knox or HashiCorp Vault better?

Neither is universally better. HashiCorp Vault has the larger community, while Knox is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are Knox and HashiCorp Vault free and open-source?

Yes. Knox is licensed under Apache-2.0 and HashiCorp Vault under BUSL-1.1. Both can be self-hosted at no software cost.

Can I run Knox and HashiCorp Vault with Docker?

Knox: yes. HashiCorp Vault: yes.

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