keepassxc from security:keepassxc:stable project

For Debian Next run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/security:/keepassxc:/stable/Debian_Next/ /' | sudo tee /etc/apt/sources.list.d/security:keepassxc:stable.list
curl -fsSL https://download.opensuse.org/repositories/security:keepassxc:stable/Debian_Next/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/security_keepassxc_stable.gpg > /dev/null
sudo apt update
sudo apt install keepassxc

For Fedora Rawhide run the following as root:

dnf config-manager --add-repo https://download.opensuse.org/repositories/security:keepassxc:stable/Fedora_Rawhide/security:keepassxc:stable.repo
dnf install keepassxc

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/security:keepassxc:stable/openSUSE_Tumbleweed/security:keepassxc:stable.repo
zypper refresh
zypper install keepassxc