The five candidates for “Sabayon in 2026”

Sabayon Linux stopped at 19.03 in March 2019. The question that still arrives at this address is not “why did it die” but “what do I install instead” — and the honest answer is that five systems each do part of what Sabayon did, none of them does all of it, and the one closest to it is closest in its weaknesses too.

First, define the thing being replaced

“Sabayon alternative” is a useless search term until you say which property you are trying to keep. Sabayon was four specific promises at once, and every candidate below keeps some of them and drops others:

1. Gentoo underneath, Portage still reachable. You could drop to emerge for one package, with one USE flag changed, and the box stayed coherent.
2. A live image with a real installer. You booted a DVD, clicked through a partitioner, and had a system.
3. It worked on first boot. Codecs, proprietary graphics drivers, a configured desktop — the parts a source distribution traditionally makes you assemble.
4. You never had to compile the world. Somebody else maintained a binary layer — Entropy, driven by equo — and it was built from the Gentoo tree, so the binaries and the source tree agreed with each other.

Anything failing one of those clauses is not a replacement, whatever else it is. Applied strictly, the scoreboard below is unflattering: nothing in 2026 passes all four. Redcore passes three and a half. Plain Gentoo passes one and a half and is still the right answer for most people who ask this question, which tells you how much clause 4 was carrying.

Clause 4 is also the one that changed most since 2019, and it has its own piece on this site — Gentoo ships 89 GB of binaries now — so this page states the 2026 position and does not re-argue it.

The table

Every cell below came from a release announcement, a project documentation page or a release index, on the date given. Where no source states an answer, the cell says not established rather than guessing; where the only source is somebody’s reporting rather than the project’s own words, the cell says that too. Both kinds of gap are listed again under Standing. There are no scores and no winner, because the five are not competing for the same reader.

Redcore Linux Hardened 2601 is the closest living thing, and its ancestry runs through Sabayon

Redcore Linux Hardened · Shipping · Verified 2026-08-04

2026·04·23Redcore Linux Hardened 2601 “Vulpecula” was announced as stable on the project’s news page on 23 April 2026, fully synced with Gentoo’s testing tree as of 19 April. The announcement gives the software floor exactly: Linux 6.19.13 by default with six older branches still in the repositories (6.18, 6.15, 6.12, 6.6, 6.1 and 5.15 LTS), glibc 2.42, GCC 15.2.1, binutils 2.42, clang/LLVM 21, Rust 1.93.1, and FFmpeg 8 as the default multimedia stack. Installation is Calamares, on BIOS/MBR or EFI/GPT, with optional full-disk encryption and — the wiki says this plainly, in a parenthesis — no Secure Boot.

One caveat on the desktop, because this page is supposed to be checkable. The widely repeated versions for 2601 are Plasma 6.6.4 with KDE Gear 26.04, and they come from Linuxiac’s coverage of the release, not from Redcore. The announcement discusses KDE only to explain that it re-adds Qt5 application integration through qt5ct after Gentoo dropped it, and it names no Plasma version at all. The numbers are probably right. They are marked as secondary in the table because one outlet is the only place they appear.

The part that matters for clause 4 is Sisyphus, Redcore’s package front end, whose backend was rewritten in Python for this release. It gained GPG verification of the Portage tree sync, --ask and --no-ask flags for scripted installs and removals, parallel binary searching, an in-band news system, a first-run and recovery wizard, and “superpose”, a mechanism for pulling packages from third-party repositories that are not in the tree. A follow-up release, Sisyphus v7, landed on 20 May 2026.

Redcore’s binary repository is small on purpose, and the project wiki is explicit that this is a decision rather than a limitation: it targets “casual Laptop/Desktop users”, it covers gaming, multimedia, office and browsing, and it “will always remain small in size, focusing on quality rather than quantity”. The same page says outright that you should not expect to find a server application in it — no Apache, no nginx, no MySQL. Against the 19,174 packages in the Gentoo tree, that is the trade. If your workload is a laptop, it is a good one. If your workload includes a daemon nobody has packaged, you will be compiling it yourself, which is allowed — the tree is right there.

The number usually quoted for that repository is 2,196 packages, and it needs a date on it, because the wiki page carrying it was last edited on 22 October 2023 and still describes the desktop as KDE Plasma 5. Treat 2,196 as a 2023 figure that the project has not refreshed, not as a 2026 count. The shape of the claim — a curated repository, deliberately far smaller than the tree — is what survives the staleness.

The genealogy is worth knowing, because nobody writes it down. Redcore continues Kogaion Linux, developed by the RogentOS Development Group from 2011 and — by the Redcore wiki’s own account — initially based on Sabayon Linux before moving to Gentoo directly. Ghiunhan Mamut joined that group in January 2014; the group discontinued Kogaion in November 2016; he forked it rather than let it die, and that fork is Redcore. The build method is the same trick Sabayon used, too: a Gentoo stage3 with a kernel, a bootloader and an init system added, squashed and then used as the base the binary packages are compiled against. The system that most resembles Sabayon in 2026 is therefore not a spiritual successor. It is a descendant, and the descent is documented.

Two things to weigh honestly against it.

The release gap. 2401 “Tarazed” shipped in January 2024; 2601 shipped in April 2026. Coverage of 2601 describes it as the first stable release in that whole 27-month span, and the project’s own news page lists no stable release between them. DistroWatch, however, carries a 2402 “Unukalhai” dated 21 March 2025, and third-party reviews of a build under that name exist. I could not reconcile those two records from primary sources, so this piece does not claim the gap was empty — only that the project itself announced nothing stable in it. Either way, a rolling distribution whose users go two years between installable images is asking those users to trust the repository, not the ISO.

The maintainer count. The Redcore wiki states plainly that the project is developed by one person, Ghiunhan Mamut, who is “a full-time maintainer, programmer, packager, ISO creator, bug squasher” — working alone. That is not a reason to avoid it. It is the same shape as the thing it is replacing, and Sabayon’s ending is the clearest available illustration of what that shape costs eventually. Install it with your data on a separate partition and your configuration in version control, and read Your distro just died: the first thirty days before you need it rather than after.

Calculate Linux has simply never stopped, and it is losing an argument with its own version numbers

Calculate Linux · Shipping · Verified 2026-08-04

2007·06·06Calculate Linux dates its first release to 6 June 2007, and it has not stopped since. That is nineteen years, and it is roughly six years longer than this domain’s own lineage managed between them — the first numbered RR4 release was November 2005 and the last Sabayon release was March 2019. It is Gentoo-based, it is put out by Calculate Ltd. (the copyright line on its own front page reads 2007–2026), and it ships as a family of editions: Desktop, Directory Server and Scratch on the front page, with Scratch Server and Container alongside them in the project’s own numbering. Cinnamon, KDE Plasma, LXQt, MATE and Xfce all come out of the same build system.

Its answer to clause 4 is the closest in spirit to Entropy of anything here. Each flavour has its own binary repository of packages built for that flavour, and the update path is a single documented command:

cl-update --sync-only
# documented opt-out — in /etc/portage/make.conf/custom, compile instead
FEATURES="-getbinpkg"

That opt-out line is the important one. The binaries are a convenience layer over a system that is still Portage underneath, and the project documents how to turn them off. That is precisely the property that made a Sabayon box a Gentoo box wearing a jacket, and it is the property MocaccinoOS gave up.

Now the part that will decide whether you even consider it. Calculate’s last named release was version 23, at the end of December 2022 — DistroWatch dates it 30 December, the Wikipedia infobox 29 December, and the two have never been reconciled. Since then it has published date-stamped builds instead: 20241205, 20251231, and 20260803, which is dated the day before this piece was published. Its own front page advertises no version number and no date at all, and the English Wikipedia infobox still gives 23 (2022) as the latest release. A reader doing fifteen minutes of due diligence will therefore conclude that Calculate has been dormant for three and a half years, and will be wrong.

This is an editorial judgement rather than a fact, so it is labelled as one: a project that ships every few months and lets the internet’s reference pages say it has not shipped since 2022 is choosing to be evaluated by people who already use it. It is a real cost, and it is entirely self-inflicted. Check the release index, not the infobox.

MocaccinoOS inherited the name, and replaced the machinery that made the name mean something

MocaccinoOS · Shipping · Verified 2026-08-04

2026·08·01MocaccinoOS 26.08 was published on 1 August 2026 with kernel 6.18.41 LTS, Python 3.14.6, Mesa 26.1.5, Calamares 3.4.2, KDE Plasma 6.6.6 and COSMIC 1.5.0. Package and layer builds moved to Docker Buildx/BuildKit, and work continued on Vajo, the GUI/TUI front end for its package manager. Those are the only six version numbers the release note states; the documentation lists twelve desktop environments in all — GNOME, MATE, Xfce, LXQt, Cinnamon, Enlightenment, Trinity, Hyprland, Niri, Fluxbox and the two above — and versions none of them, so this page does not either.

Note the cadence, because it is the strongest thing on its record: 25.09, 25.10, 25.11, 25.12, 26.02 through 26.08, one release a month with a single gap in January. Nothing else on this list ships that regularly.

That is a live project doing real work, three days old at the time of writing. It is also the candidate that scores worst on clause 1, and an ex-Sabayon user will notice within an hour. Luet builds packages in containers and resolves dependencies with a SAT solver; it is not Portage with a binary front end, it is a different package system. equo is gone, and emerge is not what replaced it. If what you want back is a machine where you can change one USE flag and rebuild one package, this is not that machine.

The base question that hung over this table when it was first drafted is now closed, and the answer is Gentoo. It was worth asking: the November 2020 announcement that renamed Sabayon also moved the base from Gentoo to Funtoo, the 26.08 release note credits “the incredible work of the Gentoo Linux community”, the documentation calls the desktop variant a “variant based from Portage” without naming a distribution, and DistroWatch’s “based on” cell says Independent — three answers and a shrug. My audit of the build definitions settles it out of the files the build system actually reads: the seed package is a stage3 in category gentoo, fetched from distfiles.gentoo.org, and the tree is a pinned snapshot of gentoo/gentoo. The Funtoo move was real, was pursued as a branch by one developer, shipped in no documented release image, and was ended by the project itself on 6 December 2021. Any 2026 page still calling MocaccinoOS Funtoo-based is out of date.

Where it earns its place on this list: it is the only candidate with continuity of project identity from Sabayon, it ships a genuinely modern desktop lineup, it is the only one here with more than one name on it — Ettore Di Giacinto, Joost Ruis, Mihai Dobrescu and Jerrod Frost have signed every release note since 1.0 in September 2022 — and its docs still carry a “Migrating from Sabayon” guide, which tells you who its maintainers think their users are.

One number from the 26.08 note belongs in any decision about it, though, and the project put it there itself: community donations run to “approximately $1 per month”, which the note says is not enough to sustain long-term work. Four people and a dollar a month is a better bus factor than one person and nothing. It is not a funded distribution, and the release note is the one telling you so.

matrixOS is on this list because of who wrote it, and its author’s own sentence should be read first

matrixOS · Shipping · Verified 2026-08-04

The February 2026 coverage led with the features, and the largest piece of it did not mention the project’s own disclaimer at all. Its README leads with this:

Taking the author at his word is the whole recommendation. What it is: Gentoo plus OSTree, a read-only base with atomic upgrades and rollbacks, updated with sudo vector upgrade; GNOME (the default and most tested branch) and COSMIC; Steam, Lutris, current Mesa and NVIDIA drivers; Flatpak, Snap and Docker preconfigured; btrfs with zstd. Images are published as qcow2 and xz-compressed raw at images.matrixos.org — the builds available on 2026-08-04 were dated 20 and 27 July 2026 — each with a SHA256 checksum, a PGP signature and a package list, which is more verification metadata than most funded distributions ship.

Two hard gates before you consider it. It requires a x86-64-v3 CPU — Intel Haswell (2013) or AMD Ryzen 1000 and newer — so it is not an option for exactly the elderly hardware that tends to still be running a dead distribution. And the initial credentials are published in the README: root and the matrix user both with the password matrix, and MatrixOS2026Enc as the LUKS passphrase on encrypted builds. The README tells you to replace them with sudo vector setupOS before the machine touches a network. Both facts are documented; neither is a criticism. They are only dangerous if you skip the first page.

It fails clause 2 outright — you flash an image, there is no installer — and it fails clause 1 in spirit, because the point of an immutable base is that you do not emerge things on it. The reason it is here anyway is the through-line: the same person who in 2005 shipped a DVD so you would not have to compile Gentoo is now shipping an image so you do not have to configure it. That argument gets its own piece, matrixOS: Fabio Erculiani’s third distro, and the caveat he put in the announcement, which also settles what you can and cannot emerge on an immutable Gentoo.

Plain Gentoo with the binhost is the correct answer for most people who ask this question

Gentoo Linux · Shipping · Verified 2026-08-04

2026·01·05Gentoo’s 2025 retrospective, published 5 January 2026, records 31,663 ebuilds across 19,174 packages, 89 GB of amd64 binary packages on the mirrors, 154 install stages rebuilt weekly, and 112,927 commits to the main repository during 2025. The option that did not exist when Sabayon stopped is now the distribution’s own infrastructure.

Turning it on is two files. The documented configuration for the official amd64 binhost, from the Gentoo wiki’s binary package quickstart:

# /etc/portage/binrepos.conf/gentoobinhost.conf
[gentoo]
priority = 9999
sync-uri = https://distfiles.gentoo.org/releases/amd64/binpackages/23.0/x86-64/
verify-signature = true

# then in /etc/portage/make.conf — or per run: emerge -g
FEATURES="getbinpkg"

2026·05·03On 3 May 2026 Portage began verifying binary package signatures by default, with remote binaries cached separately in /var/cache/binhost/NAME. For the official binhost, no user action is required; if you run your own unsigned binhost you must either sign it or set verify-signature = false explicitly. This is the answer to the strongest objection anyone raised against Entropy in 2008 — that you were trusting somebody else’s build machine with root — and it is a thing Entropy never had. Credit where it is owed, in the middle of an argument this site is otherwise making against the sceptics.

One behaviour to understand before it surprises you: Portage accepts a binary package only when its USE flags match what your configuration asks for, and compiles from source otherwise. That is the correct default and it is also why “I enabled the binhost and it still built LLVM for two hours” happens. --binpkg-respect-use=n makes it accept mismatched binaries, with the obvious risk. The equo-to-Portage translation table lives in Gentoo ships 89 GB of binaries now rather than here.

What Gentoo still does not do is exactly the Sabayon-shaped hole: it does not curate a desktop, it does not preselect codecs and proprietary drivers, and it does not ship an installer. You get a handbook. If clauses 2 and 3 were what you actually valued, this is not your answer — but be honest with yourself about whether they were, because the binhost has taken most of the argument away.

What this comparison is, and what it is not

None of these systems was installed to write this page. Every property above comes from a release announcement, a documentation page, a project wiki or a release index, each cited below with the date it was read, and where a project documents nothing — whether Redcore, Calculate or MocaccinoOS preselect proprietary graphics drivers on a fresh install, for instance — the cell says so instead of inferring it from a screenshot.

That is a limitation, and it comes with its compensation: a comparison assembled from primary documents can be checked by you, line by line, and one assembled from somebody’s week with each system cannot. Nothing here is a review, nothing is sponsored, and there are no affiliate links on this page — see Disclosures. Errors go on Corrections, dated.

Who should pick what

You want the Sabayon experience, on a laptop, and you accept the risk profile. Redcore Linux Hardened 2601. It is a Gentoo testing-tree system with an installer, a binary repository and a KDE desktop, maintained by one person who has been doing it since 2016.

You want something that will still be shipping in 2031. Calculate Linux. Nineteen years of continuous releases, a company behind it, a documented binary path with a documented opt-out, and five desktops. Judge it by its release index, not its version number.

You want to stay under the name you already know, and Portage was never the part you cared about. MocaccinoOS 26.08. Monthly releases, current desktops, an installer, four maintainers — and a package manager that is not Portage, which you should decide about deliberately rather than discover.

You have a spare modern machine, a homelab, and curiosity. matrixOS. Atomic, gaming-ready, cryptographically signed images, and an author who has told you in writing not to run anything you care about on it.

Everyone else — and that is most people reading this. Plain Gentoo with the binhost enabled from the first install. You give up the installer and one evening of setup; you get the whole tree, 89 GB of signed binaries, and a distribution that is not one person’s spare time. If the loss of the installer is what stops you, it is worth asking whether what you miss about Sabayon is Gentoo at all.

Appendix A: what got left off, and why

Funtoo. Over, twice. Daniel Robbins announced its discontinuation on 26 July 2024, reversed nineteen days later into “hobby mode”, and then ended it a second time with a statement dated 5 September 2025 that no one reported. The tree had already stopped: the last push to any repository in the funtoo GitHub organisation landed on 29 January 2025, and the wiki now carries a sitewide banner telling readers to pick an actively maintained distribution. It is not an alternative to anything. Funtoo announced its own death and then took it back works through what is still installed on a Funtoo box in 2026 and why ego sync succeeding is the problem rather than the reassurance.

Pentoo. A Gentoo-based security-tooling live image, last release 2024.0 on 11 January 2024. It is a toolkit that boots, not a desktop you install and live in, and comparing it here would flatter neither project.

Exherbo. Gentoo-derived in code but deliberately expert-facing, with its own package manager (Paludis) and no interest in clauses 2 or 3. It exists to be assembled, which is the opposite of what this page is looking for.

Source Mage. Source-based, descended from Sorcerer, last stable grimoire 0.62-11 on 22 September 2017. The date is the entry.

Appendix B: “just use Arch” / “just use Fedora”, taken seriously

The objection is stronger than the people making it usually bother to argue, so here it is at full strength. If what you liked about Sabayon was clauses 2, 3 and 4 — an installer, a working desktop, no compiling — then a mainstream binary distribution does all three better than every system on this page, with more packages, more maintainers, more testing and a support channel that is not one person. And the performance argument that used to justify the source route has weakened from underneath: CachyOS ships x86-64-v3 and v4 tuned binaries you can simply download, so “compiled for my machine” is no longer a thing only source distributions can offer.

What you actually give up by taking that advice is clause 1, and it is a real loss with a specific shape: USE flags, which let you build a package without a dependency you do not want; the ability to drop one package to source without leaving the distribution; and the freedom to run a system without systemd if that matters to you. Those are the reasons to be on Gentoo. If none of them is a reason you recognise, the honest recommendation is to take the mainstream distribution and stop shopping. Nobody is owed a Gentoo derivative.