Sources

Where the dates and the clauses come from

Two sources, both held here and read on the dates shown. Nothing on any page fetches either while you use it.

Support dates: The endoflife.date record (endoflife.date), 478 products and 8745 versions, read on 30 Sep 2026 from its published data: https://endoflife.date/api/all.json and each product's https://endoflife.date/api/<product>.json. Held as a snapshot; refreshed by a script that shows the differences before a new snapshot replaces the old.
Licence: MIT licence, copyright endoflife.date contributors. The notice is reproduced in full below.
Clause text: Cyber Essentials (NCSC and IASME) (read 30 Sep 2026); Cyber Essentials Plus (NCSC and IASME) (read 30 Sep 2026); Essential Eight (ASD) (read 30 Sep 2026); CIS Controls v8 (Center for Internet Security) (read 30 Sep 2026); PCI DSS 4.0 (PCI Security Standards Council) (read 30 Sep 2026); NIST SP 800-53 Rev 5 (read 30 Sep 2026); ISO/IEC 27001 (Annex A) (read 30 Sep 2026). Each requirement shown is our statement of its clause, cited to it, not the instrument verbatim.
Named, not quoted: Cyber Essentials self-assessment questions on security update management section A6; Cyber Essentials: Requirements for IT infrastructure NCSC; Essential Eight Maturity Model ASD.

The endoflife.date licence

Copyright 2020 endoflife.date contributors

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

What the finder adds to the record is its own: the rules that read a product name and version into a record and cycle, the as-at arithmetic, the findings and the clause each one meets.

See the specimen list run Check your own list