Best Key Management Software in 2026

In short: Thales CipherTrust Data Security Platform is ranked #1 of 16 as of 5 October 2026, ahead of Oracle Cloud Infrastructure Secret Management and OpenStack Barbican. The best-ranked option with a free plan is Oracle Cloud Infrastructure Secret Management. The lowest first paid tier on this page is AWS Key Management Service at $1/mo.

Managing cryptographic keys involves comparing both the controls an option lists and how it can be deployed. These key management software entries are compared on supported key types, key import, automatic rotation, audit logs and customer-managed keys. HSM-backed keys and deployment model add further criteria; free-plan availability and paid-from pricing offer cost details to weigh. Thales CipherTrust Data Security Platform, Oracle Cloud Infrastructure Secret Management and OpenStack Barbican are among the options shown, alongside Entrust Certificate Manager. Compare the listed key-handling and oversight capabilities with the requirements of your environment.

16 key management software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

16ranked
3free plans on this page
$1/molowest paid tier
5 Oct 2026last checked

3 of the 16 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.

#AppSignalFree tierOpen codeDevicesFromScore
1Thales CipherTrust Data Security PlatformWeb · Linux · Self-hosted · API Two bars—2 of 6Free6.5
2Oracle Cloud Infrastructure Secret ManagementWeb · API Two bars—1 of 6Free6.4
3OpenStack BarbicanLinux · Self-hosted · API Two bars—1 of 6Free6.3
4Entrust Certificate ManagerWeb · Linux · Android · iPhone · Self-hosted · API Two bars——4 of 6—5.7
5Cryptsoft KMIP ServerWeb · Windows · Linux · Self-hosted · API Two bars——3 of 6—5.6
6Eviden KMSWeb · Windows · Mac · Linux · Self-hosted · API Two bars——4 of 6—5.6
7Fornetix Key Orchestration PlatformWeb · Windows · Linux · Self-hosted · API Two bars——3 of 6—5.5
8QuintessenceLabs Trusted Security FoundationWeb · Linux · Self-hosted · API One bar——2 of 6—5.5
9Utimaco Enterprise Secure Key ManagerWeb · Linux · Self-hosted · API One bar——2 of 6—5.5
10AWS Key Management ServiceWeb · API One bar——1 of 6$1/mo5.4
11OpenKCM (Open Key Chain Manager)Linux · Self-hosted · API One bar——1 of 6—5.4
12Alibaba Cloud Key Management ServiceWeb One bar——1 of 6$500/mo5.3
13KleopatraWindows · Linux No signal——2 of 6—5.2
14KeyRackNo platforms listed No signal——0 of 6—5.1
15Fortanix Data Security ManagerWeb · Self-hosted · API One bar——1 of 6—5.0
16Futurex CryptoHubWeb · Self-hosted · API One bar——1 of 6—5.0
Compare all 16 in a table
#AppScoreFree planFromFree planPaid fromHSM-backed keysAutomatic key rotation
1Thales CipherTrust Data Security Platform6.5Free planFreeYes—YesYes
2Oracle Cloud Infrastructure Secret Management6.4Free planFreeYes———
3OpenStack Barbican6.3Free planFree————
4Entrust Certificate Manager5.7No—No—YesYes
5Cryptsoft KMIP Server5.6No———Yes—
6Eviden KMS5.6No———YesYes
7Fornetix Key Orchestration Platform5.5No———YesYes
8QuintessenceLabs Trusted Security Foundation5.5No———Yes—
9Utimaco Enterprise Secure Key Manager5.5No———Yes—
10AWS Key Management Service5.4No$1/moNo1 /moYesYes
11OpenKCM (Open Key Chain Manager)5.4No———Yes—
12Alibaba Cloud Key Management Service5.3No$500/moYes500 /moYesYes
13Kleopatra5.2No—Yes———
14KeyRack5.1No—Yes—Yes—
15Fortanix Data Security Manager5.0No—No—YesYes
16Futurex CryptoHub5.0No—No—YesYes

Is your app on this list?

Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.

Questions about this list

Which key management software is ranked first on Freedom251?

Thales CipherTrust Data Security Platform is ranked #1 of 16 with a score of 6.5. Oracle Cloud Infrastructure Secret Management is second and OpenStack Barbican third.

How many of these have a free plan?

3 of the 16 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, AWS Key Management Service has the lowest first paid tier we found: $1/mo.

How is this list ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.

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