wxHexEditor is a free and open source hex editor application for Linux, MacOS and Windows. Currently it supports up to 2EB (ExaByte) file size and supports files or devices up to 2^64 bytes. Some other useful features are low memory on large file, show multiple files in same time, x86 disassembly support,copy/edit your Disks and HDD Sectors, no temporary files, customizeable hex panel formatting, Linux Process Memory Editing, Decimal, Hexadecimal, Octal and LBA addressing modes and more. It is written in c++ and released under GNU General Public License version 2.0 (GPLv2)
How to Install wxHexEditor on Ubuntu Linux
wxHexEditor is available as a flatpak package file from remote flathub. First you need to install flatpak on your system and restart it after the installation. Follow below link for the flatpak and flathub install instructions.
Now open your terminal app and run below flatpak command to install the latest version of wxHexEditor on your system.
flatpak install flathub org.wxhexeditor.wxHexEditor
You can open wxHexEditor using the below command.
flatpak run org.wxhexeditor.wxHexEditor
And uninstall it using
sudo flatpak uninstall org.wxhexeditor.wxHexEditor