GNU Privacy Guard

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP). GnuPG allows you to encrypt and sign your data and communications; it features a versatil...
Language(s): C
Operating system(s): Windows, Mac OS, RISC OS, Android, Linux
License: GPLv3

GnuTLS

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface (API) to access t...
Language(s): C
Operating system(s): N/A
License: LGPLv2.1+

KGPG

KGpg is a graphical frontend to GnuPG for KDE, which includes a key management window and an editor. Users can easily create cryptographic keys, and write, encrypt, decrypt, sign, or verify messages. ...
Language(s): N/A
Operating system(s): Cross-platform
License: GNU General Public License

MyDiamo

The First Comprehensive DB Encryption for MySQL, MariaDB, Percona and PostgreSQL. MyDiamo is a free opensource database encryption solution, available to all for non-commercial use. The commercial...
Language(s): N/A
Operating system(s): Linux, Windows
License: GPLv2

OpenSSL

OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end. It is widely used by Internet ser...
Language(s): C, Assembly, Perl
Operating system(s): Unix, Linux, macOS, and BSD, Window
License: Apache License 2.0