Fortanix Data Security Manager
Fortanix Data Security Manager is a commercial key management solution by Fortanix. Themis is a free key management solution. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Enterprises with keys in several clouds and data centers
It is here because one console applies the same key policies on premises and in the cloud, with keys kept on HSMs. It fits large enterprises with keys spread across several clouds and data centers. Since it also covers tokenization and secrets, decide early whether you want it to replace other products or only manage keys.
From Best Key Management Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Manages encryption keys across hybrid and multicloud systems, with HSM-backed storage.
Themis is an open-source cryptographic services library that provides high-level encryption and data protection capabilities for securing data during authentication, storage, messaging, and network exchange.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Fortanix Data Security Manager fits if you need both cloud and on-premises options.
Themis fits if you need to run it on your own servers, you are a startup or a small business or a mid-market company, you need a free product and you want an open-source product.
Common questions when comparing Fortanix Data Security Manager vs Themis for key management.
Fortanix Data Security Manager: Manages encryption keys across hybrid and multicloud systems, with HSM-backed storage. Built by Fortanix.
Themis: Themis is an open-source cryptographic services library that provides high-level encryption and data protection capabilities for securing data during authentication, storage, messaging, and network exchange.
The table above shows where their features, integrations, deployment and company size fit differ.
Fortanix Data Security Manager is made by Fortanix. Themis is open-source with 1,954 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Fortanix Data Security Manager and Themis are both Key Management products, and both cover Encryption. Key differences: Fortanix Data Security Manager is Commercial while Themis is Free, Themis is open-source. Use the table above to see where features, deployment and company size fit differ.
Need the answer fast? Best Key Management Solutions for Business picks Thales CipherTrust Manager, Fortanix Data Security Manager, Futurex CryptoHub and 3 more.See the shortlist
