GnuTLS is a portable library which implements the Transport Layer Security (TLS 1.0, 1.1, 1.2, 1.3) and Datagram Transport Layer Security (DTLS 1.0, 1.2) protocols.

In the past, this package provided statically-built qemu user-mode emulation binaries. Now this functionality is provided by qemu-user package, and this package just to help migration to qemu-user.

The Jupyter Notebook is a web application that allows you to create and share documents that contain live code, equations, visualizations, and explanatory text. The Notebook has support for multiple programming languages, sharing, and interactive widgets.

This package provides modules for MySQL database connections directly from PHP scripts. It includes the generic "mysql" module which can be used to connect to all versions of MySQL, an improved "mysqli" module for MySQL version 4.1 or later, and the pdo_mysql module for use with the PHP Data Object extension.

OpenZFS is a storage platform that encompasses the functionality of traditional filesystems and volume managers. It supports data checksums, compression, encryption, snapshots, and more.