Found on  https://planet.scheme.org/

Hewlett-Packard has outsourced its calculators to this company.

What is the purpose of this website? This website records the investigatory work of Garson O’Toole who diligently seeks the truth about quotations. Who really said what? This question often cannot be answered with complete finality, but approximate solutions can be iteratively improved over time.

It includes bindings to OpenGL and examples of the Raspberry π Pico https://pico-doc.synack.me/. Found after https://calculator-scripts.sourceforge.io/hp41cx-tools/encoder/ has been announced of the MoHP forum https://www.hpmuseum.org/forum/thread-22732-post-210728.html#pid210728

A new project, targeting Linux for the proverbial final frontier—outer space—was the subject of a talk (YouTube video) at the Embedded Linux Conference, which was held as part of Open Source Summit Europe in Amsterdam in late August 2025.
Found via https://gwern.net/about#target-audience which links to https://lwn.net/Articles/380983/

I found this site via the Sphinx page https://www.sphinx-doc.org/en/master/examples.html#homepages-and-other-non-documentation-sites

Found on Leah Neukirchen's blog https://leahneukirchen.org/trivium/2025-09-14
See also https://nicholas.carlini.com/writing for some interesting articles on LLMs

version 2 of
my paper (now 186 pages) entitled:

"An interesting example at the intersection of Matrix Mathematics and
Cryptography (and how Artificial Intelligence can write programs)"
which can be found at
https://glassblower.info/crypto/an-interesting-example-at-the-intersection-of-matrix-mathematics-and-cryptography-version-2.pdf

Sounds interesting.

5. Mai 2025, from Hannes

BorgBackup (short: Borg) is a deduplicating backup program. Optionally, it supports compression and authenticated encryption.

The main goal of Borg is to provide an efficient and secure way to backup data. The data deduplication technique used makes Borg suitable for daily backups since only changes are stored. The authenticated encryption technique makes it suitable for backups to not fully trusted targets.

On-line tool to show the representation of floating point numbers. Found on Philp Kaluđerčić's page https://wwwcip.cs.fau.de/~oj14ozun/links.html

Explanation and JavaScript code to translate secret OTP keys from Google Authenticator to a format useful for Yubikey.
https://alexbakker.me/post/parsing-google-auth-export-qr-code.html has some details about the format. Alex Bakker has written https://github.com/beemdevelopment/Aegis, an {T,H}OTP authenticator app for Android.

"Keepass2Android (K2A) is an open souse [sic] port of the excellent KeePass password manager for Windows to the Android platform."
I just read on https://github.com/android-password-store/Android-Password-Store/discussions/3260 that the password store application has been archived, i.e. development has stopped.

Found via Jamie Zawinsky's blog https://www.jwz.org/blog/2025/07/you-should-be-using-rss/

Another website (blog and wiki) using org-publish
Found via the Emacs Wiki https://www.emacswiki.org/emacs/lepisma
See also https://lepisma.xyz/wiki/emacs/org-mode/references.html for working with references in org-mode.
Other examples are https://lepisma.xyz/wiki/readings/impactful.html

LionsOS is an operating system based on the seL4 microkernel with the goal of making the achievements of seL4 accessible. That is, to provide performance, security, and reliability.

LionsOS is being developed by the Trustworthy Systems research group at UNSW Sydney in Australia.

Found via the link on https://www.crystallabs.io/unix-books-papers-videos

Web interface to free42, an simulator of the hp42 RPN calculator. Announced on https://www.hpmuseum.org/forum/thread-23784-post-206688.html#pid206688, it can be tried on https://files.connorcode.com/Sites/free42-web/index.html

This tool uses python's calendar library (which provides modular ncal functionality) to generate a TeX based, A4-sized wall calendar with one month per page.
See also https://github.com/DavidGriffith/panda-display for a version of Spare Time Gizmos' Panda display for pdp-10 simulators with USB interface, which I first saw on Lars Brinkoff's video https://m.youtube.com/watch?v=q11mOtTs2Zo

Graphical timeline of Plan 9 and related operating systems.
Announced on the 9fans mailing list https://marc.info/?l=9fans&m=175278059902135&w=2
Source code can be found on https://github.com/sirjofri/Plan9History

1. März 2023, 10:56 Uhr

Sounds like an interesting idea.

Found via Sacha Chua's blog https://sachachua.com/blog/2025/07/2025-07-07-emacs-news/
Has many interesting articles about Emacs and other tools for programming. e.g.
http://yummymelon.com/devnull/introducing-regfmt.html  describes a tool to produce diagrams showing the layout of registers