Qx™ Applications (QxApps™) vs Tang: side-by-side comparison (2026)
Qx™ Applications (QxApps™) is a commercial key management solution by Crypto4A. Tang is a free key management solution. Features, integrations, deployment and the company behind each one, side by side.
Suite of mgmt apps for Crypto4A Qx HSM device admin and crypto key operations.
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.
Side-by-side comparison
Feature
Qx™ Applications (QxApps™)
Tang
Pricing model
Commercial
Free
Category
Key Management
Key Management
Deployment and fit
Deployment type
Cloud
On-Premises
Company size fit
Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Open source
GitHub stars
–
670
Last commit
–
Mar 2025
Company
Company
Crypto4A
–
Use cases and capabilities
Key Management
Yes
No
Crypto
Yes
No
Hardware Security
Yes
No
RBAC
Yes
No
Quantum Safe
Yes
No
Encryption
Yes
Yes
Log Management
Yes
No
Secrets Management
Yes
No
Server
No
Yes
Core features
10 features listed
No features listed
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