Found on Joseph Holsten's blog https://blog.josephholsten.com/2012/05/03/smalltalk-in-smalltalk-in-javascript/
The git repository https://lolg.it/amber/amber has been updated 3 years ago (2022).

Forum about retrocomputing, found via a link on Norbert Landsteiner's site https://masswerk.at/lounge.php
https://retrocomputingforum.com/t/some-materials-on-early-c-and-the-history-of-c/3016 looks interesting.

Found on Sacha Chua's blog https://sachachua.com/blog/2025/02/lispy-gopher-show-2025-02-05-programming-languages-history-blogging-and-communities-with-screwtape-ramin-honary-and-me/

The links to CHERI sound interesting.

Blog, mostly about the Plan 9 operating system. Found https://seh.dev/p9sk1/ when searching for information about the dp9ik authentication protocol introduced by 9front.

Other pages I found are
- https://echoline.org/webterm.pdf, explaining Webterm, an HTML5 remote desktop for use with Plan 9[1] which re-
 imagines drawterm inside of a browser. The source code is available at https://github.com/echoline/webterm
- https://man.9front.org/6/authsrv

Lunar is my attempt to distill 40 years of programming language experience into the "best" language I can come up with. I hope that this will bring some forgotten ideas back into the spotlight of public attention.

Wiki about the Oberon programming language and several variants of the Oberon operating system.

First of a three-part series about programming Linux kernel modules in Ada.
Found on https://www.linux.com/training-tutorials/five-best-open-source-calendar-servers-linux/

Forth-like, cross-platform language with native code compiler. Runs on
- Microsoft Windows XP/7/8/10
- macOS 10.7 and later (only 64-bit; 32-bit is no longer supported)
- Linux - Ubuntu 14.04 and later, and derivatives or similar systems based on libc6
- Raspbian (Raspberry Pi version of Debian Linux; also works for similar SBC Linux systems)
- Android 4.4 (API level 19, ARM devices) and later
- iOS 9.0 and later
Found via https://pikchr.org/home/doc/trunk/homepage.md