The virtualenv utility creates virtual Python instances, each invokable with its own Python executable. Each instance can have different sets of modules, installable via pip. Virtual Python instances can also be created without root access.

This is an obsolete metapackage to install a subset of Noto fonts.

tcptrack is a sniffer which displays information about TCP connections it sees on a network interface. It passively watches for connections on the network interface, keeps track of their state and displays a list of connections in a manner similar to the unix 'top' command. It displays source and destination addresses and ports, connection state, idle time, and bandwidth usage.

Wietse Venema's network logger, also known as TCPD or LOG_TCP.

Hardware Locality (hwloc) provides a portable abstraction (across OS, versions, architectures, ...) of the hierarchical topology of modern architectures. It primarily aims at helping high-performance computing applications with gathering information about the hardware so as to exploit it accordingly and efficiently.