# Alibaba Cloud Key Management Service (KMS) vs Tang: side-by-side comparison (2026) [Alibaba Cloud Key Management Service (KMS)](https://cybersectools.com/tools/alibaba-cloud-kms) is a commercial [key management](https://cybersectools.com/categories/key-management) solution by [Alibaba Cloud](https://cybersectools.com/companies/alibaba-cloud). [Tang](https://cybersectools.com/tools/tang) is a free [key management](https://cybersectools.com/categories/key-management) solution. Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Key Management Solutions for Business](https://cybersectools.com/shortlists/best-key-management-solutions) picks Thales CipherTrust Manager, Fortanix Data Security Manager, Futurex CryptoHub and 3 more. ## Side-by-side comparison | | Alibaba Cloud Key Management Service (KMS) | Tang | |---|---|---| | Pricing model | Commercial | Free | | Category | Key Management | Key Management | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | GitHub stars | – | 670 | | Last commit | – | Mar 2025 | | Company | Alibaba Cloud | – | | Headquarters | – | – | ### Use cases and capabilities | | Alibaba Cloud Key Management Service (KMS) | Tang | |---|---|---| | Encryption | Yes | Yes | | Secrets Management | Yes | – | | Server | – | Yes | ### Core features **Alibaba Cloud Key Management Service (KMS)** 10 features listed. Sign in on the page to see them. **Tang** No features listed. ### Integrations **Alibaba Cloud Key Management Service (KMS)** 9 integrations listed. Sign in on the page to see them. **Tang** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Alibaba Cloud Key Management Service (KMS)](https://cybersectools.com/tools/alibaba-cloud-kms) fits if you want a cloud product. - [Tang](https://cybersectools.com/tools/tang) fits if you need to run it on your own servers, you need a free product and you want an open-source product. ## Alibaba Cloud Key Management Service (KMS) vs Tang FAQ Common questions when comparing Alibaba Cloud Key Management Service (KMS) vs Tang for key management. ### What is the difference between Alibaba Cloud Key Management Service (KMS) and Tang? **Alibaba Cloud Key Management Service (KMS)**: Managed cloud key management and cryptography service with HSM support on Alibaba Cloud. Built by Alibaba Cloud. **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. ### Who makes Alibaba Cloud Key Management Service (KMS) and Tang? **Alibaba Cloud Key Management Service (KMS)** is made by Alibaba Cloud. **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. ### Is Alibaba Cloud Key Management Service (KMS) a good alternative to Tang? Often, yes. Alibaba Cloud Key Management Service (KMS) and Tang are both Key Management products, and both cover Encryption. Key differences: Alibaba Cloud Key Management Service (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. ## Related comparisons - [Alibaba Cloud Key Management Service (KMS) vs Qx™ Applications (QxApps™)](https://cybersectools.com/compare/alibaba-cloud-kms-vs-qxtm-applications-qxappstm) - [Alibaba Cloud Key Management Service (KMS) vs MPCH](https://cybersectools.com/compare/alibaba-cloud-kms-vs-mpch) - [Alibaba Cloud Key Management Service (KMS) vs Securekey Group](https://cybersectools.com/compare/alibaba-cloud-kms-vs-securekey-group) - [Tang vs Qx™ Applications (QxApps™)](https://cybersectools.com/compare/qxtm-applications-qxappstm-vs-tang) - [Tang vs MPCH](https://cybersectools.com/compare/mpch-vs-tang) - [Tang vs Securekey Group](https://cybersectools.com/compare/securekey-group-vs-tang) ## Alternatives to each - [See all Alibaba Cloud Key Management Service (KMS) alternatives](https://cybersectools.com/alternatives/alibaba-cloud-kms) - [See all Tang alternatives](https://cybersectools.com/alternatives/tang) --- Source: https://cybersectools.com/compare/alibaba-cloud-kms-vs-tang For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/alibaba-cloud-kms.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Alibaba Cloud Key Management Service (KMS) and Tang: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md