Penta Security D.AMO Key Management System (KMS) is a commercial key management solution by Penta Security Inc. Tang 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: Companies encrypting many different databases
It is on the list because it is built around database encryption, with dual access control that keeps security admins and database admins apart. It fits mid-sized and large companies that run many different databases on premises. It is an on-premises appliance, so ask how it reaches cloud workloads if part of your data has moved.
From Best Key Management Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Enterprise key management system for encryption key lifecycle management
Tang is a network-based server that binds encrypted data access to network presence, allowing data decryption only when clients are connected to the specific network where the Tang server operates.
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.
Tang fits if you are a small business, you need a free product and you want an open-source product.
Common questions when comparing Penta Security D.AMO Key Management System (KMS) vs Tang for key management.
Penta Security D.AMO Key Management System (KMS): Enterprise key management system for encryption key lifecycle management. Built by Penta Security Inc.
Tang: Tang is a network-based server that binds encrypted data access to network presence, allowing data decryption only when clients are connected to the specific network where the Tang server operates.
The table above shows where their features, integrations, deployment and company size fit differ.
Penta Security D.AMO Key Management System (KMS) is made by Penta Security Inc. Tang is open-source with 670 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Penta Security D.AMO Key Management System (KMS) and Tang are both Key Management products, and both cover Encryption. Key differences: Penta Security D.AMO Key Management System (KMS) is Commercial while Tang is Free, Tang is open-source. Use the table above to see where features, deployment and company size fit differ.
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