wolfSSL

wolfSSL (formerly CyaSSL) is a small, fast, portable implementation of TLS/SSL for embedded devices…

8 Alternatives To wolfSSL

GnuTLS

GnuTLS (the GNU Transport Layer Security Library) is a free software implementation of the SSL, TLS…

Let’s Encrypt

Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).

LibreSSL

LibreSSL is a version of the TLS/crypto stack forked from OpenSSL in 2014, with goals of…

OpenSSH

OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
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SecureBlackbox

EldoS specializes in development of security-related software components for low-level data protection, secure storage, and transfer.

SecureBridge

SecureBridge represents clients and servers for SSH, SFTP and SSL protocols as a network security solution. It protects any TCP traffic using SSH or SSL secure transport layer protocols.

Themis

Human-friendly open source crypto library. Provides data encryption for storage and messaging for mobile apps, servers, and front-ends.

mbed TLS

mbed TLS . PolarSSL . Easy to use SSL library in C . Embedded . Open source . Readable source code . Tested . Well-documented ✓