python3-tinycss2

Low-level CSS parser (Python3 version)

tinycss2 is a rewrite of tinycss with a simpler API, based on the more recent CSS Syntax Level 3 specification.
simple gdb session

gdb

GNU Debugger

GDB is a source-level debugger, capable of breaking programs at any specific line, displaying variable values, and determining where errors occurred. Currently, gdb supports C, C++, D, Objective-C, Fortran, Java, OpenCL C, Pascal, assembly, Modula-2, Go, and Ada. A must-have for any serious programmer.
Wallet

gnucash

personal and small-business financial-accounting software

Gnucash provides accounting functions suitable for use by small businesses and individuals. It can track finances in multiple accounts, keeping running and reconciled balances. There is support for customer, vendor and employee processing. It has an X based graphical user interface, double entry, a hierarchy of accounts, expense accounts (categories), and can import Quicken QIF files and OFX files.

python3-gnucash

Gnucash interface for Python

Gnucash provides accounting functions suitable for use by small businesses and individuals. It can track finances in multiple accounts, keeping running and reconciled balances. There is support for customer, vendor and employee processing. It has an X based graphical user interface, double entry, a hierarchy of accounts, expense accounts (categories), and can import Quicken QIF files and OFX files.

node-yaml

Nodejs parser and stringifier for YAML standard

yaml is a JavaScript parser and stringifier for YAML, a human friendly data serialization standard. It supports both parsing and stringifying data using all versions of YAML, along with all common data schemas. As a particularly distinguishing feature, yaml fully supports reading and writing comments and blank lines in YAML documents.
graphical configuration tool to change the firewall settings

firewall-config

graphical configuration tool to change the firewall settings

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.