LinuxBuzz published a tutorial about installing the Atom text editor in Debian 11.
How to Install Atom Text Editor in Debian 11 (Bullseye)
Atom is the most popular free and open-source text editor for Linux, Windows and macOS. It is also used as source code editor and can also work as IDE (Integrated Development Environment). Atom is developed and maintained by GitHub Inc. It supports more than 30 programing language and multiple panes.
How to Install Atom Text Editor in Debian 11 (Bullseye)