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- IPv6 - It's 2023 and it's still not deployed correctly and universally. Github, Github Copilot, Chromium-based browsers, and Amazon Alexa give up in the presence of IPv6.

- DNSSEC+DANE - It's half-assed deployed but there's a lack of end-user UX

- wais - search before gopher

- afs - distributed fs

- discard protocol - basically, a network-based /dev/null

- humans.txt - Not around as much as it was

- makeheaders - Auto-generated C/C++ headers

- man page generators - ronn and help2man

- checkinstall - The automatic software package creator

- bashdb and zshdb

- crystal - Compiled Ruby-ish

- forth - Powered the FreeBSD bootloader menu for many years and word processors (typewriter-like almost computers)

- ocaml - The best ML, used by Jane Street and Xen

- pony - A language built around an arguably better GC than Azul's C4 with arguably stronger sharing semantics than Rust

- prolog - Erlang's grandpa

- rpython - PyPy's recompiler-compiler

- pax - POSIX archives

- shar - shell archives - Self-extracting archives that look like scripts at the beginning

- surfraw - Shell Users' Revolutionary Front Rage Against the Web - founded by Julian Assange

- step-ca - A Go-based PKI server

- dmraid - Because it works

- X10 - Before WiFi and IoT, there was the Firecracker: a parasitic power serial port RF outlet controller

- FreeBSD - It's not unknown or obscure per se, but it powers many important things in the civilized world without getting much credit

- :CueCat - A dotcom era barcode reader that was given away

- Xen - If you need to run a VPS but can't ju$tify u$ing VMware

- KataContainers - k8s but with VM isolation

- stow - software management by symlinks

- habitat - similar philosophy as nix but not as clean and functional and almost like Arch PKGBUILD but with more infrastructure around it

- JTAG - debug all the things

- in-circuit emulators (ICEs) - hardware-based debuggers

- polarized light sources - easier to see things under the bi/trinocular microscope




Thanks for the info.

Polarization is indeed the magical capability property of EM waves that is currently under-utilized or under-rated.

Currently I am working on highly reliable nd robust polarized wireless systems that hopefully will be part of next gen 6G PHY.


Upvoted for Ocaml. They are making progress on using on Windows.




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