A complete and free implementation of the OpenPGP standard. [GPL]

GnuPG alternatives and similar libraries

Based on the "Cryptography" category

• OpenSSL

  9.1 9.9 L2 GnuPG VS OpenSSL

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

• LibTomCrypt

  7.9 8.5 L3 GnuPG VS LibTomCrypt

  A fairly comprehensive, modular and portable cryptographic toolkit. [WTFPL]

• Crypto++

  7.8 9.6 L1 GnuPG VS Crypto++

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

• Tiny AES128 in C

  7.6 4.9 L5 GnuPG VS Tiny AES128 in C

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

• s2n

  7.2 9.3 L3 GnuPG VS s2n

  An implementation of the TLS/SSL protocols. [Apache]

• libsodium

  6.6 9.0 L3 GnuPG VS libsodium

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

• Themis

  6.3 8.7 L3 GnuPG VS Themis

  Crypto library for storage and messaging

• LibreSSL

  6.1 8.3 L4 GnuPG VS LibreSSL

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

• Botan

  5.9 9.7 L1 GnuPG VS Botan

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

• Bcrypt

  5.4 5.3 L3 GnuPG VS Bcrypt

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

• libhydrogen

  5.0 6.7 GnuPG VS libhydrogen

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

• mbedTLS

  4.6 9.7 L2 GnuPG VS mbedTLS

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

• digestpp

  2.4 2.2 GnuPG VS digestpp

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

• retter

  2.0 0.0 L3 GnuPG VS retter

  A collection of hash functions, ciphers, tools, libraries, and materials related to cryptography.

• mbedcrypto

  1.7 4.2 GnuPG VS mbedcrypto

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

• GnuTLS

  1.2 0.0 L2 GnuPG VS GnuTLS

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

• Nettle

  - - GnuPG VS Nettle

  A low-level cryptographic library. [LGPL]

• BeeCrypt

  - - GnuPG VS BeeCrypt

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

• Libgcrypt

  - - GnuPG VS Libgcrypt

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

* Code Quality Rankings and insights are calculated and provided by Lumnify.
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Popular Comparisons

• GnuPG
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