10

8

6

4

2


9.7

9.9
OpenSSL

9.3

8.5
libsodium

8.5

9.7
mbedTLS

8.2

9.4
s2n

8.0

9.1
Crypto++

7.9

3.4
Tiny AES128 in C

20 Cryptography libraries and projects

  • OpenSSL

    9.7 9.9 L2 C
    A robust, commercial-grade, full-featured, and Open Source cryptography library. [Apache] websire

  • libsodium

    9.3 8.5 L3 C
    P(ortable|ackageable) NaCl-based crypto library, opinionated and easy to use. [ISC]

  • mbedTLS

    8.5 9.7 L2 C
    Tiny crypto suite aimed at embedded development, previously known as PolarSSL. [Apache2]

    • Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
    Promoted scoutapm.com

  • s2n

    8.2 9.4 L3 C
    An implementation of the TLS/SSL protocols. [Apache]

  • Crypto++

    8.0 9.1 L1 C++
    A free C++ class library of cryptographic schemes. [Boost]

  • Tiny AES128 in C

    7.9 3.4 L5 C
    A small and portable implementation of the AES128 ECB encryption algorithm implemented in C. [PublicDomain]

  • Botan

    7.1 9.4 L1 C++
    A crypto library for C++. [BSD-2]

  • LibTomCrypt

    6.6 5.3 L3 C
    A fairly comprehensive, modular and portable cryptographic toolkit. [WTFPL]

  • LibreSSL

    6.1 8.1 L4 C
    A free version of the SSL/TLS protocol forked from OpenSSL in 2014. [?]

  • Themis by Cossack Labs

    5.8 8.3 L3 C
    High-level open-source crypto library that solves 90% of typical data protection use cases that are common for most applications.

  • Bcrypt

    5.1 6.6 L3 C
    A cross platform file encryption utility. Encrypted files are portable across all supported operating systems and processors.

  • libhydrogen

    3.1 4.9 C
    A lightweight, secure, easy-to-use crypto library for constrained environments. [ISC]

  • digestpp

    2.5 4.2 C++
    C++11 header-only message digest (hash) library. [PublicDomain]

  • retter

    2.2 0.0 L3 C
    A collection of hash functions, ciphers, tools, libraries, and materials related to cryptography.

  • mbedcrypto

    1.8 0.0 C++
    a portable, small, easy to use and fast c++14 library for cryptography.

  • GnuPG

    1.1 0.0 L1 C
    A complete and free implementation of the OpenPGP standard. [GPL]

  • GnuTLS

    1.1 0.0 L2 C
    A secure communications library implementing the SSL, TLS and DTLS protocols. [LGPL2.1]

  • Libgcrypt

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

  • BeeCrypt

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

  • Nettle

    - -
    A low-level cryptographic library. [LGPL]

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