# Themis vs wolfSSL Embedded SSL/TLS Library: side-by-side comparison (2026) [Themis](https://cybersectools.com/tools/themis) is a free [key management](https://cybersectools.com/categories/key-management) solution. [wolfSSL Embedded SSL/TLS Library](https://cybersectools.com/tools/wolfssl-embedded-ssltls-library) is a commercial [firmware & embedded security](https://cybersectools.com/categories/firmware-embedded-security) solution by [wolfSSL](https://cybersectools.com/companies/wolfssl). 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 | | Themis | wolfSSL Embedded SSL/TLS Library | |---|---|---| | Pricing model | Free | Commercial | | Category | Key Management | Firmware & Embedded Security | | Verified | No | No | | Deployment type | On-Premises | On-Premises | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | 1,954 | – | | Last commit | Sep 2024 | – | | Company | – | wolfSSL | | Headquarters | – | – | ### Use cases and capabilities | | Themis | wolfSSL Embedded SSL/TLS Library | |---|---|---| | Encryption | Yes | Yes | | Open Source | Yes | Yes | | SSL | – | Yes | | TLS | – | Yes | | Secure Boot | – | Yes | ### Core features **Themis** No features listed. **wolfSSL Embedded SSL/TLS Library** 10 features listed. Sign in on the page to see them. ### Integrations **Themis** No integrations listed. **wolfSSL Embedded SSL/TLS Library** 4 integrations listed. Sign in on the page to see them. ## 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 need a free product and you want an open-source product. ## Themis vs wolfSSL Embedded SSL/TLS Library FAQ Common questions when comparing Themis vs wolfSSL Embedded SSL/TLS Library for key management. ### What is the difference between Themis and wolfSSL Embedded SSL/TLS Library? **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. **wolfSSL Embedded SSL/TLS Library**: Lightweight embedded TLS/SSL library for devices, apps, and cloud. Built by wolfSSL. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Themis and wolfSSL Embedded SSL/TLS Library? **Themis** is open-source with 1,954 GitHub stars. **wolfSSL Embedded SSL/TLS Library** is made by wolfSSL. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Themis a good alternative to wolfSSL Embedded SSL/TLS Library? In part. Themis and wolfSSL Embedded SSL/TLS Library are not in the same category on CybersecTools. Both cover Encryption, Open Source. Key differences: Themis is Free while wolfSSL Embedded SSL/TLS Library is Commercial, Themis is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Themis vs Pantherun Real-Time Encryption](https://cybersectools.com/compare/pantherun-real-time-encryption-vs-themis) - [Themis vs Securekey Group](https://cybersectools.com/compare/securekey-group-vs-themis) - [Themis vs Cigent Data Protection Products](https://cybersectools.com/compare/cigent-data-protection-products-vs-themis) - [wolfSSL Embedded SSL/TLS Library vs Pantherun Real-Time Encryption](https://cybersectools.com/compare/pantherun-real-time-encryption-vs-wolfssl-embedded-ssltls-library) - [wolfSSL Embedded SSL/TLS Library vs Securekey Group](https://cybersectools.com/compare/securekey-group-vs-wolfssl-embedded-ssltls-library) - [wolfSSL Embedded SSL/TLS Library vs Cigent Data Protection Products](https://cybersectools.com/compare/cigent-data-protection-products-vs-wolfssl-embedded-ssltls-library) ## Alternatives to each - [See all Themis alternatives](https://cybersectools.com/alternatives/themis) - [See all wolfSSL Embedded SSL/TLS Library alternatives](https://cybersectools.com/alternatives/wolfssl-embedded-ssltls-library) --- Source: https://cybersectools.com/compare/themis-vs-wolfssl-embedded-ssltls-library For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/themis.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Themis and wolfSSL Embedded SSL/TLS Library: 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