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Psion: The Last Computer (theregister.com)
62 points by rcarmo 3 days ago | hide | past | favorite | 17 comments





The last generation of Psion's in-house C++ Arm32 OS, Symbian, is now FOSS:

https://github.com/SymbianSource

Please, please, someone revive this. It was a pleasure to use.

Junk as much as possible of the idiosyncrasies and slap a standard GUI toolkit on top, like Qt or Gtk or something.

It already has a POSIX layer:

https://en.wikipedia.org/wiki/P.I.P.S.

It's as if BeOS had been open sourced and nobody noticed.

It's more complete and more functional than Genode, for instance. It runs on bare metal, unlike Serenity OS.


The POSIX layer was added the year before Elop came to Nokia, Symbian with Qt and PIPS was starting to look rather good, and Symbian Belle on an Nokia C7 was rather nice.

Maybe a good fit with the recent opensourcing of Geoworks Ensemble?

https://github.com/bluewaysw/pcgeos


Not really, no. GEOS on top of a ROM DOS did something similar, albeit in a much more primitive sort of way.

GEOS was the OS of the HP OmniGo 100, Omnigo 700, and original Communicator 9000, IIRC. Symbian was the OS of the later Communicators, like the E90 I owned.

GEOS is built on DOS: single tasking, no memory management, text mode, took 640 kB of RAM with apps.

Symbian is EPOC32, EPOC version 5. EPOC 16, its forerunner, ran on an 8086, and in 256kB of RAM it had a full GUI, with multitasking graphical apps, and a dynamic RAMdisk, and it was stable enough to run for months, on 2 AA batteries, with that RAMdisk as the sole storage for all those multitasking apps.

EPOC is to DOS as a Tesla Roadster to a Model T Ford.

Saying that, I am watching GEOS with interest, and I have suggested to the FreeDOS folks that they should incorporate it. Currently the most mature functional FreeDOS GUI is FreeGEM but Geos does much much more.


> Please, please, someone revive this. It was a pleasure to use.

It was not a pleasure to code for though. I doubt there will be much interest.


Interesting.

The volume of 3rd party products suggests otherwise to me, but I have seen such comments.

But perhaps, free of malign corporate influence, that is fixable now...?


Fun story: the psion5 was faster in certain java microbenchmarks than the HP K-series minis we had at a large bank.

Man, I always wanted a Psion. Never got around to it.

Back then I was a serial adopter of electronic organizers. Plenty of them were neat enough on their own, but only a few of them were smart enough to allow for easy backup, or (better yet) desktop access.

Interestingly, the Newton did this really well AT FIRST, and included a "Newton Desktop" tool that ran on Windows -- but abandoned that with the rev to 2.0. You could still back up to your computer, but you couldn't use the data there. It was a wild misstep, since just around the corner was Palm with its connectivity-first handheld that was also half the price and could fit in your pocket. Oops.


Missing (2007), although it is evident from the URL.

> Software components were the latest buzzword, as “Web 2.0” is today. Experts predicted that the application would disappear, with users selecting from palettes of functional components. Huge investments went into frameworks such as OpenDoc (backed by IBM, Novell, and Apple) and Microsoft, with its OLE.

You know, I wasn't involved at the time but I understand why the experts would have thought this. And perhaps it wasn't too off base, we just don't recognize the reality because 'functional components' turned out to actually be, like, npm packages or something.


Recent discussion of a related article (61 comments):

Of Psion and Symbian

https://news.ycombinator.com/item?id=40765872


I had one of these and worked my summer job while on a bus tour of Europe with family on it. They were amazing.

I learnt to program on a Psion as a ten year old.

I wish Riddiford made a Bluetooth keyboard instead of tying it to the Planet pocket computer.

As the article is from 2007, shouldn't it say so in the title?

I think the title needs a 2007

Yes, I didn't notice that this article was that old until I started thinking about the claim that Symbian OS was in over 100 "current" phones. I know that dumbphones/featurephones are making a bit of a comeback with people worried about smartphone addiction, but I don't think there's room for 100 Symbian phones these days.



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