# EPICOM EP543IC vs Themis: side-by-side comparison (2026)

[EPICOM EP543IC](https://cybersectools.com/tools/epicom-ep543ic) is a commercial [key management](https://cybersectools.com/categories/key-management) solution by [EPICOM](https://cybersectools.com/companies/epicom). [Themis](https://cybersectools.com/tools/themis) 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

| | EPICOM EP543IC | Themis |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Key Management | Key Management |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 1,954 |
| Last commit | – | Sep 2024 |
| Company | EPICOM | – |
| Headquarters | – | – |

### Use cases and capabilities

| | EPICOM EP543IC | Themis |
|---|---|---|
| Encryption | Yes | Yes |
| Key Management | Yes | – |
| Network Administration | Yes | – |
| Critical Infrastructure | Yes | – |
| Configuration Management | Yes | – |
| Hardware Security | Yes | – |
| Linux | Yes | – |
| Virtual Machine | Yes | – |
| Security Hardening | Yes | – |
| Open Source | – | Yes |

### Core features

**EPICOM EP543IC**

6 features listed. Sign in on the page to see them.

**Themis**

No features listed.

### Integrations

**EPICOM EP543IC**

3 integrations listed. Sign in on the page to see them.

**Themis**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Themis](https://cybersectools.com/tools/themis) fits if you are a startup or a small business, you need a free product and you want an open-source product.

## EPICOM EP543IC vs Themis FAQ

Common questions when comparing EPICOM EP543IC vs Themis for key management.

### What is the difference between EPICOM EP543IC and Themis?

**EPICOM EP543IC**: Centralized management center for maintaining networks of EPICOM IP encryptors. Built by EPICOM.

**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.

### Who makes EPICOM EP543IC and Themis?

**EPICOM EP543IC** is made by EPICOM. **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.

### Is EPICOM EP543IC a good alternative to Themis?

Often, yes. EPICOM EP543IC and Themis are both Key Management products, and both cover Encryption. Key differences: EPICOM EP543IC is Commercial while Themis is Free, Themis is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [EPICOM EP543IC vs MPCH](https://cybersectools.com/compare/epicom-ep543ic-vs-mpch)
- [EPICOM EP543IC vs Futurex CryptoHub](https://cybersectools.com/compare/epicom-ep543ic-vs-futurex-key-management-solutions-kms)
- [EPICOM EP543IC vs Qx™ Applications (QxApps™)](https://cybersectools.com/compare/epicom-ep543ic-vs-qxtm-applications-qxappstm)
- [Themis vs MPCH](https://cybersectools.com/compare/mpch-vs-themis)
- [Themis vs Futurex CryptoHub](https://cybersectools.com/compare/futurex-key-management-solutions-kms-vs-themis)
- [Themis vs Qx™ Applications (QxApps™)](https://cybersectools.com/compare/qxtm-applications-qxappstm-vs-themis)

## Alternatives to each

- [See all EPICOM EP543IC alternatives](https://cybersectools.com/alternatives/epicom-ep543ic)
- [See all Themis alternatives](https://cybersectools.com/alternatives/themis)

---

Source: https://cybersectools.com/compare/epicom-ep543ic-vs-themis

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/epicom-ep543ic.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on EPICOM EP543IC and Themis: 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