No. 4 of 39 ·Secrets Management Tools

SikkerKey

Web · Windows · Mac · Linux · API · paid plans from $29/mo

Freedom report

Three barsScore 6.6

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely4 of 6 device platforms
DocumentedPlans, terms and facts published

SikkerKey is ranked #4 of 39 in secrets management tools on Freedom251. It runs on API, Linux, macOS, Web, Windows. There is a free plan. Paid plans start at $29/mo.

SikkerKey plans and pricing

All plans

Developer Free 10 machines included · 1 month audit retention · 20 webhook deliveries/day · +$5 per additional machine/month sikkerkey.com · 30 Sept 2026

Teams $29/mo monthly 25 machines included · 12 months audit retention · 1,000 webhook deliveries/day · +$4 per additional machine/month · 5 private-infrastructure tunnels sikkerkey.com · 30 Sept 2026

Teams Pro $79/mo monthly 75 machines included · 24 months audit retention · 5,000 webhook deliveries/day · +$3 per additional machine/month · 10 private-infrastructure tunnels sikkerkey.com · 30 Sept 2026

Compared on secrets management tools

Free plan: Yes
Paid from: $29/mo
Secret rotation: Yes
Dynamic secrets: Yes
CI/CD injection: Yes
Kubernetes integration: Yes
Deployment model: cloud
Audit logs: Yes

Best SikkerKey alternatives

See all 12

Two bars Keyway Free tier No. 1€9/mo6.6 Two bars Kubermatic Kubernetes Platform Free tier No. 2Free6.6 Two bars Phase Free tier No. 3$10/mo6.6 Two bars Infisical Free tier No. 5$2/mo6.5 Two bars KeyEnv Free tier No. 6$0.28/mo6.5 One bar Akeyless Free tier No. 7Free6.3

The record

Product: SikkerKey is a secrets manager and vault for application and infrastructure credentials.
Machine authentication: Machines authenticate by signing each request with an Ed25519 private key that remains on the host.
Secret types: The platform supports standard, structured, managed, leased, certificate, canary and TTL secrets.
Integrations: SikkerKey integrates through its CLI, SDKs or signed HTTP with CI/CD, containers, app platforms, serverless functions, servers and on-premise systems.
SDKs: Official SDKs are available for Go, Python, Node.js, .NET, Kotlin and PHP.
CLI platforms: The packaged CLI supports Linux x64 and ARM64, macOS Intel and Apple Silicon, and Windows x64.
AI access: Its MCP server gives AI agents a separate identity class that cannot retrieve plaintext secret values.
Encryption: Secrets use three-layer envelope encryption with per-secret AES-256-GCM data keys, per-project master keys and a separate root key.
EU hosting: SikkerKey says its vault, secrets and audit trail stay in the European Union and are operated from Denmark.
Compliance: The service processes data in the EEA and states that GDPR safeguards apply to its processing and transfers.
Support: Direct in-dashboard support is included on every plan.
Usage limits: Secret count, project count, read volume and rotation frequency are unlimited on every plan.
Target users: The service is designed for software engineers, DevOps teams and organizations managing application secrets.
Headquarters: Denmark
Price from: $29/mo

Where it ranks on Freedom251

Best Secrets Management Tools in 2026#4 of 39

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Sources

sikkerkey.com/about· checked 30 Sept 2026
docs.sikkerkey.com/docs/security/overview· checked 30 Sept 2026
sikkerkey.com/pricing· checked 30 Sept 2026
sikkerkey.com/integrations· checked 30 Sept 2026
sikkerkey.com/docs/tools/sdk-overview· checked 30 Sept 2026
sikkerkey.com/docs/tools/cli· checked 30 Sept 2026
sikkerkey.com/privacy· checked 30 Sept 2026
sikkerkey.com· checked 28 Sept 2026