GnuTLS
GnuTLS (the GNU Transport Layer Security Library) is a free software implementation of the SSL, TLS…
16 Alternatives To GnuTLS
COMODO SSL
Buy your Comodo SSL certificates directly from the No.1 Certificate Authority powered by Sectigo (formerly Comodo CA). Fast service with 24/7 support. Over 20 years of SSL Certificate Authority!
Calendar Lock PEA
Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM.
Ganymed SSH-2
Ganymed SSH-2 for Java is a library which implements the SSH-2 protocol in pure Java.
KiTTY
KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
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…
Modernizr
Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers.
OpenPGP
The most widely used email encryption standard. Defined in RFC 4880.
OpenSSH
OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
PuTTY
Popular free terminal application. Mostly used as an SSH client.
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 ✓
wolfSSL
wolfSSL (formerly CyaSSL) is a small, fast, portable implementation of TLS/SSL for embedded devices…