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The Register
Every distribution named anywhere on this site has a row here: when it started, when it last shipped, what it was built on, whether it is still alive, what claims to have replaced it, and the date each of those was last checked. One table, maintained by hand, updated whenever a status changes rather than whenever an article is published.
It exists because “this distro is dead” is the single most repeated unsourced claim in this subject, and because a claim of death with no date on it is gossip. A row here forces the date.
| Distribution | First release | Last release | Base | Status | Succeeded by | Verified |
|---|---|---|---|---|---|---|
| RR4 / RR64 Linux | 2005 (earliest dated release 2.40, 2005-04-10, announced by the author in the Gentoo Forums thread; 2.30 was already in readers' hands that March) | 3.0RC1b miniEdition, Jul 2006 | Gentoo | Renamed | Sabayon Linux | 2026-08-04 |
| Sabayon Linux | 3.0RC2, Aug 2006 | 19.03, Mar 2019 | Gentoo | Ended | MocaccinoOS (examined 2026-08-04: successor in people and intent, not in code or repository) | 2026-08-04 |
| MocaccinoOS | Announced Nov 2020 (first tagged image 2021-10-09; 1.0 “Lisa” 2022-09-03) | 26.08, Aug 2026 | Gentoo (stage3 autobuild + pinned gentoo/gentoo tree snapshot, and the same at the 2021 and 2022 alphas; Funtoo announced 2020, never in a tagged build, collaboration ended 2021-12-06) |
Shipping | — | 2026-08-04 |
| matrixOS | Repository created 2026-01-31; covered from 2026-02-11 | Continuous images; newest dated 2026-07-27 (no numbered releases; all eight OSTree refs marked dev) |
Gentoo + OSTree | Shipping author’s own caveat: hobby project for homelabs, not for production machines — examined here | — | 2026-08-04 |
| Funtoo Linux | No numbered first release (the project’s own history page dates the work from Dec 2007) | Rolling; tree frozen 2025-01-29 (last push to any repository in the funtoo GitHub organisation) |
Own kit-based tree, forked from Gentoo | Ended discontinued Jul 2024, revived Aug 2024 as “hobby mode”, ended again by the project’s own statement of 2025-09-05 | — not a distribution; funtoo-ng components at Kernel Seeds | 2026-08-04 |
| Redcore Linux Hardened | not established | 2601 “Vulpecula”, 2026-04-23 (previous announced stable 2401, 2024-01-25) | Gentoo testing tree (synced 2026-04-19) | Shipping | — | 2026-08-04 |
| Calculate Linux | 2007-06-06 | 20260803, 2026-08-03 (last named version 23, 2022-12-30; dated builds since) | Gentoo | Shipping | — | 2026-08-04 |
| Gentoo Linux | not established | Rolling; no versioned releases (profiles 23.0 current) | Source-based, independent | Shipping | — | 2026-08-04 |
How to read this table
- Status is one of four words. Shipping means a release or a sync happened recently enough to be checkable. Ended means no release and no successor activity under that name. Renamed means the work continued under a different name and the old name stopped. Hobby mode means it still works but nobody has promised you anything.
- Verified is the date I last looked, not the date the fact was true. A row that has not been re-checked in a year is a row you should distrust, and the column exists so you can tell.
- “Not established” means I have not checked a primary source for that cell myself — including where the answer is common knowledge. Common knowledge is how errors get laundered, so it does not qualify here. Those cells are listed below with the piece that will close them.
- Colour is never the only signal. Every status carries its word as well as its square, so the table reads identically in monochrome, in print, and to a screen reader.
Open cells
What is missing, why, and what closes it:
- Redcore — 2402 “Unukalhai”
- DistroWatch lists a 2402 release dated 2025-03-21 and third-party reviews of a build under that name exist, but the project’s own news index announces no stable release between 2401 (2024-01-25) and 2601 (2026-04-23). The “last release” cell therefore records what the project announced, and this discrepancy stays open until a primary source settles it. Raised in The five candidates for “Sabayon in 2026”.
- Redcore, Gentoo — first release
- Two dates that every wiki agrees on and that I have not personally checked against a primary announcement. They stay open until I have.
- Codecs and proprietary drivers on first boot
- Not a column here yet, and it should be: for Redcore, Calculate and MocaccinoOS no project page consulted on 2026-08-04 states whether a fresh install preselects them. That was the defining Sabayon property, so the answer belongs in the table once it can be sourced.
Closed
- MocaccinoOS — base (closed 2026-08-04)
- Answer: Gentoo. The desktop is seeded from a Gentoo stage3 autobuild pulled from
distfiles.gentoo.organd layered with a pinned snapshot of thegentoo/gentooebuild tree, per the project’s own build definitions. The Funtoo move announced on 2020-11-20 was pursued in a separate repository by one developer and abandoned by the project on 2021-12-06. The same two build definitions, read at the commits that were current when the two alpha images were tagged in October 2021 and February 2022, already namedcategory: "gentoo"andgithub.owner: gentoo— so no tagged image was built on Funtoo either. Worked in MocaccinoOS: the successor, or the estate? - Funtoo — status and first release (changed 2026-08-04)
- The status moved from Hobby mode to Ended. The project’s own front page has said the project has ended and the community project has been disbanded since a statement stamped 2025-09-05, and no repository in the
funtooGitHub organisation — the default source forego sync— has been pushed to since 2025-01-29. The first-release cell now records that Funtoo never had a numbered release, per the project’s own history page, rather than reporting a date I had not checked. Worked in Funtoo announced its own death and then took it back.
Not yet listed
Calculate Linux joined the table on 2026-08-04 with the comparison piece it appears in, as promised. Anything else named in a future article arrives with that article. A distribution never appears in a sentence here without appearing in this table.
Found a wrong cell? editor@lxnaydesign.net. Corrections to this table are logged on Corrections like any other, because a reference nobody can audit is a reference nobody should use.