GnuTLS Alternatives

OpenSSL is a free and open source software cryptography library that implements both the Secure Sockets Layer (SSL) and the Transport Layer Security (TLS) protocols, which are primarily used to provide secure communications between web browsers and …

Open Source

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

Open Source

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

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

Open Source

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

Open Source

The SSL/TLS and Certificate tutorial for Windows enables you to fast track your understanding of...

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

Open Source

Network Security Services (NSS) comprises a set of libraries designed to support cross-platform...

A framework for building native apps with React

Open Source

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

Automatically enable HTTPS on your website with EFF's Certbot, deploying Let's Encrypt certificates.

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

Open Source

EJBCA® is a PKI Certificate Authority software, built using Java (JEE) technology.

Open Source

Ganymed SSH-2 for Java is a library which implements the SSH-2 protocol in pure Java.