deb.rail5.org

This repository contains the following packages for amd64 and arm64 architectures:

Package Description
bpp Bash++: The Bourne-Again Shell with classes
bpp-lsp Bash++ Language Server
autobuild Automatically builds & distributes Debian packages
autobuild-web Web front-end for autobuild
polonius Text editor for very large files
xgetopt-dev Header-only C++20 library for parsing command-line options.
bookthief Convert PDFs to booklets (GUI)
liesel Convert PDFs to booklets (terminal)
shellwatch Watch variables and their values throughout shell script execution

You can configure Debian to use this repository as follows:

sudo curl -s -o /etc/apt/trusted.gpg.d/rail5-signing-key.gpg "https://deb.rail5.org/rail5-signing-key.gpg"
sudo curl -s -o /etc/apt/sources.list.d/rail5.list "https://deb.rail5.org/rail5.list"
sudo apt update

And from there, sudo apt install {package}