GnuTLS alternatives and similar libraries

Based on the "Cryptography" category.
Alternatively, view GnuTLS alternatives based on common mentions on social networks and blogs.

OpenSSL

9.8 9.9 L2 GnuTLS VS OpenSSL

TLS/SSL and crypto library
libsodium

9.3 9.0 L3 GnuTLS VS libsodium

A modern, portable, easy to use crypto library.

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mbedTLS

8.7 10.0 L2 GnuTLS VS mbedTLS

An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
Crypto++

8.5 0.0 L1 GnuTLS VS Crypto++

free C++ class library of cryptographic schemes
Tiny AES128 in C

8.3 0.0 L5 GnuTLS VS Tiny AES128 in C

Small portable AES128/192/256 in C
s2n

8.1 0.0 L3 GnuTLS VS s2n

An implementation of the TLS/SSL protocols
Botan

7.3 9.6 L1 GnuTLS VS Botan

Cryptography Toolkit
LibTomCrypt

6.7 0.0 L3 GnuTLS VS LibTomCrypt

LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
LibreSSL

6.2 0.0 L4 GnuTLS VS LibreSSL

LibreSSL Portable itself. This includes the build scaffold and compatibility layer that builds portable LibreSSL from the OpenBSD source code. Pull requests or patches sent to [email protected] are welcome.
Themis by Cossack Labs

6.2 5.5 L3 GnuTLS VS Themis by Cossack Labs

Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
Bcrypt

5.6 0.0 L3 GnuTLS VS Bcrypt

Modern(-ish) password hashing for your software and your servers
libhydrogen

4.3 0.0 GnuTLS VS libhydrogen

A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
digestpp

3.1 0.0 GnuTLS VS digestpp

C++11 header-only message digest library
retter

2.4 0.0 L3 GnuTLS VS retter

A collection of hash functions, ciphers, tools, libraries, and materials related to cryptography & security. :closed_lock_with_key::closed_lock_with_key::closed_lock_with_key::closed_lock_with_key::closed_lock_with_key: (project was renamed, libchaos is main)
mbedcrypto

1.9 1.8 GnuTLS VS mbedcrypto

a portable, small, easy to use and fast c++14 library for cryptography.
GnuPG

1.0 0.0 L1 GnuTLS VS GnuPG

Mirror of git://git.gnupg.org/gnupg.git — master branch contains no changes from upstream.
Libgcrypt

- GnuTLS VS Libgcrypt

A general purpose cryptographic library originally based on code from GnuPG. [LGPLv2.1+]
BeeCrypt

- GnuTLS VS BeeCrypt

A portable and fast cryptography library. [LGPLv2.1+]
Nettle

- GnuTLS VS Nettle

A low-level cryptographic library. [LGPL]