MCU 8051 IDE is an integrated development environment for microcontrollers based on 8051. Supported programming languages are C and assembly. It has its own assembler and it supports two other external assemblers. For C language it uses the SDCC compiler.

eboard is a graphical chess program which can function as an interface to Internet chess servers such as FICS and to chess engines such as Crafty.

This is an application for customizing the appearance of the GNOME desktop.

The eclipse-cdt package contains Eclipse features and plugins that are useful for C and C++ development.

firewalld is a dynamically managed firewall daemon with support for network/firewall zones to define the trust level of network connections or interfaces. It has support for IPv4, IPv6 firewall settings and for ethernet bridges and has a separation of runtime and persistent configuration options. It also provides a D-Bus interface for services or applications to add and apply firewall rules on-the-fly.

Wireshark is a network "sniffer" - a tool that captures and analyzes packets off the wire. Wireshark can decode too many protocols to list here.