hmtimer

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openSUSE: openSUSE Build Service

Fedora:
You can install hmtimer from copr with the following command:

sudo dnf copr enable cges30901/app
sudo dnf install hmtimer

Ubuntu/Mint:
PPA for Hsiu-Ming's Timer is available at https://launchpad.net/~cges30901/+archive/ubuntu/app. You can install from the ppa with the following command:

sudo add-apt-repository ppa:cges30901/app
sudo apt-get update
sudo apt-get install hmtimer

Debian: openSUSE Build Service

AUR: AUR for hmtimer

Flatpak: Flatpak build for hmtimer

Windows:

Source: hmtimer Source Code
You can also get the source code from git repository