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Flounder Sid

Based on Debian Sid β†—

Flounder Sid tracks Debian unstable (Sid) packages for bleeding-edge deb-based systems.

ProductionStatus
Debian unstableCadence
x86_64Arch

One base, every desktop

Each Flounder Sid flavor ships a different desktop on the same Debian Sid foundation.

πŸ–₯️

GNOME

The polished default β€” latest GNOME, backported to Enterprise Linux.

:gnome

KDE Plasma

Endlessly customizable, feature-rich Plasma desktop.

:kde

COSMIC

System76's Rust-built next-gen desktop.

:cosmic

Niri

A scrollable-tiling Wayland compositor for keyboard-driven flow.

:niri
🐭

XFCE

The classic lightweight desktop β€” ported to Wayland with the new xfwl4 compositor.

:xfce

See the desktops

Real screenshots, captured automatically each week by booting every desktop in a VM.

GNOME desktop on flounder-sid
GNOME
KDE Plasma desktop on flounder-sid
KDE Plasma
COSMIC desktop on flounder-sid
COSMIC
Niri desktop on flounder-sid
Niri
XFCE desktop on flounder-sid
XFCE

Why Flounder Sid

πŸ”„

Atomic & rollback-safe

Built on bootc: image-based updates that apply in one transaction and roll back just as cleanly.

🍺

Homebrew baked in

Thousands of CLI tools and fonts a `brew install` away β€” no layering, no rebuilds.

Flathub by default

Full Flathub access out of the box. Install any Flatpak on the net, instantly.

Images & flavors

Pull any flavor directly, or rebase an existing bootc system onto it.

GNOMEghcr.io/tuna-os/flounder-sid:gnome
KDE Plasmaghcr.io/tuna-os/flounder-sid:kde
COSMICghcr.io/tuna-os/flounder-sid:cosmic
Nirighcr.io/tuna-os/flounder-sid:niri
XFCEghcr.io/tuna-os/flounder-sid:xfce
Rebase an existing bootc system
sudo bootc switch ghcr.io/tuna-os/flounder-sid:gnome
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Dive into Flounder Sid

Grab a live ISO, or rebase an existing bootc system in one command.