This Plugin adds support for the OMEMO Encryption to Gajim.

GPGME is a wrapper library which provides a C API to access some of the GnuPG functions, such as encrypt, decrypt, sign, verify, ...

This package adds duplicate song detection to Banshee, allowing it to detect and remove duplicate songs in your library.

The PHYLogeny Inference Package is a package of programs for inferring phylogenies (evolutionary trees) from sequences. Methods that are available in the package include parsimony, distance matrix, and likelihood methods, including bootstrapping and consensus trees. Data types that can be handled include molecular sequences, gene frequencies, restriction sites, distance matrices, and 0/1 discrete characters.

Dovecot is a mail server whose major goals are security and extreme reliability. It tries very hard to handle all error conditions and verify that all data is valid, making it nearly impossible to crash. It supports mbox/Maildir and its own dbox/mdbox formats, and should also be pretty fast, extensible, and portable.