Bless is a binary (hex) editor, a program that enables you to edit files as a sequence of bytes. It is written in C# and uses the Gtk# bindings for the GTK+ toolkit.
Enable snaps on Raspberry Pi and install bless-unofficial
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On a Raspberry Pi running the latest version of Raspbian snap can be installed directly from the command line:
sudo apt update
sudo apt install snapd
You will also need to reboot your device:
sudo reboot
After this, install the core snap in order to get the latest snapd:
sudo snap install core
Install bless-unofficial
To install bless-unofficial, simply use the following command: