Quill OS: An open-source OS for Kobo's eReaders

21 hours ago (quill-os.org)

I bought a Kobo because it felt one of the most hackable e-readers but I ended up using the stock software with a single but very important change: I edited a configuration file to point the API to my BookLore instance. This gives me access to all of my ebooks and preserves all the functionalities of the stock software, which is perfectly adequate for my needs.

It turns out that what I wanted all along was the ability to seamlessly read books I buy from any source, not any deeper hacking of the OS.

Kudos to Kobo for keeping their system so open. These days it’s not that common

  • > Kudos to Kobo for keeping their system so open. These days it’s not that common

    This is such an underrated feature. I used to own a Kindle before, and now a Kobo Libra. I'm very pleased and satisfied with the Kobo - something I rarely feel about consumer devices these days. Kobo should be proud of themselves for sticking to the principle. I will not spend my money on anything less open when it's time to replace it. I hope the vendors take note.

    Freedom and openness should be considered as a feature for any product - perhaps the most important one. And us, consumers need to encourage and if possible, force the vendors using our collective purchasing power, to offer us that feature. I may be preaching to the choir here. But this message is well worth spreading among the public. Please do.

    PS: I have seen DIY devices that are more open than Kobo. But Kobo is also the most viable option here. Please mention any alternatives that you know of.

  • I bought a kobo for myself about 18months ago and I'm hooked. I have since bought two more for gifts and 3 friends have bought them on my recommendation. I have never before been such a vocal (if unintentional) ambassador for a tech gadget.

    Why so passionate, I hear you ask? Pretty much exactly the reasons you specify - unlike other hardware, I actually can do what I want with it.

    And now I'm wondering what this Quill OS is about. Thanks Kobo!

  • I came onto the comments to bemoan the fact that there isn't an easy way to sync progress across devices. This is definitely going to be the trigger for me to buy a Kobo

If your goal is just to easily sync your own ebook library with a Kobo device, I've found that something like this isn't really necessary.

There is a config file on the stock OS that you just need to change, and you can point the Kobo store to your own instance of Calibre Web.

This lets you sync and download your own books to the device over wifi.

I played around with KOReader a bit but found the stock software simpler to use. All I really need is to not be tied to an ebook store.

I have a few of these Kobo Touch readers that haven't been touched in years, so no idea if the batteries even still work. Even though I'd never tried them before, I got 3 as a local shop (WHSmiths in the UK) was having a clearance sale as they were being discontinued, so I got 3 of them for less than the price of 1 would normally cost, and I'd read they were quite hackable.

I really liked the idea of using them, and while I did take one on holiday once, I found that I just couldn't put up with the slow speed of page transitions and the screen flickering every page turn.

For the speed issue, if it's limited by the time to render a page, I wondered why they wouldn't just cache the rendered previously page and pre-generate the next page while you were reading the first.

I understand why the page flickers, but it always seemed to me that doing partial refreshes of the screen would be much better aesthetically. Maybe the more recent ones actually do that, although I got the impression that manufacturers had just moved back to LCD screens because people liked colours more than battery life. Certainly not long after I bought my Kobo, my mum upgraded from an e-ink Kindle to an LCD one which seemed like a step backwards to me, but she was much happier with it.

So, just wondering if any of the issues around page turning are addressed in this custom OS and app. If so, I'll dig around in my junk box to try it out. Otherwise I guess they're likely to stay there for another decade!

  • >For the speed issue, if it's limited by the time to render a page

    It's not, it's a physical limitation of the e-ink screen.

    Any e-reader I've seen does full refresh every n pages where n is user-settable.

  • Your devices must be really really old. Eink screens have been plenty fast enough for book reading for about a decade now.

  • > I understand why the page flickers, but it always seemed to me that doing partial refreshes of the screen would be much better aesthetically.

    Well but this is exactly what they do ahahaha x) You can set how many page turns between full refreshes in the settings.

    • I guess maybe mine is just too old from before they got this sorted.

      From what I remember, mine always fully turns black then clears before rendering. Even big areas of the page that are white both before and after, there was always a full screen black flash. I wouldn't be at all bothered if it was just the areas with text that went fully black before clearing, but it's very jarring full screen.

      3 replies →

My dream for an open e-book reader is to have some kind of graphical OPDS browser as a substitute for the commercial storefronts offered by Amazon/Rakuten/etc. If you could host and publish your own ebook library (using BookLore or something similar), then explore and fetch content off of it with the same UI polish as you can get from a corporate vendor (complete with cover art galleries, carousels for recent releases and recommendations and the like), I think that'd make e-readers so much more appealing and usable for diehard FOSS folks.

  • You can do that with koreader. It can even sync progress now with kavita. Stimulating what Amazon called whisper sync.

    • I use koreader, including its OPDS server support! While I'm always grateful for all FOSS (and especially for well-written FOSS), koreader's OPDS UI still has a long way to go to approximate what I'm imagining. It's basically a file browser in List view, whereas a good digital book storefront would include gallery views with cover art, synopses and other metadata when clicking into any individual publication, search functionality, recommendation carousels, and more.

      7 replies →

    • That sounds neat! I have an old kobo clara HD. I run koreader through nickelmenu, and I have to let it load its native software before selecting and switching into koreader. I'm also under the impression that if I connect it to the internet I'm at risk of losing my setup via wireless update. I think I had to delete a config file by mounting the device to linux to be able to even use it without a walmart / ratuken / whatever idp account in the first place.

      Everyone here is lauding kobo for being so 'open' and 'hackable', but when I set mine up in 2022 it kind of just felt like they just weren't as good at fucking me over and subverting my intentions as Amazon. Kind of like being an intruder in your own home. Have things changed? Should I update my setup?

I tend to think kindle is an anathema but I also think I'm heavily invested in their product, and so is a lot of the world.

Being able to strip drm is good. But, it's stepwise refinement warfare. In the meantime, being able to run a copy of the Google Android kindle reader, and obtain a valid licence-to-read key is useful. I'm not disparaging calibre or apprentice Alf, I'm just pointing out the more compliant path also exists.

That's what boox does. It's clear android can do this. I suppose what I'm asking is can these debian style OS run enough emulation/compatibility libraries to run an Android kindle app?

  • Don't the told exist to divest of one's 'ecosystem investment' in Amazon by way of Kindle. You've been able to strip DRM from the Amazon-purchased books and jailbreak the Kindle. At that point, Amazon holds nothing over you and both the ebooks and hardware are no longer held hostage.

    I have a paperwhite theater I bought years ago from Woot for like $30 and I simply never logged in or even connected it to wifi, so I get no ads and I don't buy DRM-laden books from Amazon. Calibre turns DRM-free epubs into Kindle accepted mobi format seemlessly on upload.

    I can't help but think that those who complain about the lock-in but simply never bother to break free, just don't care that much. Shaking a fist at Amazon feels more like a self-soothing exercise to allay the cognitive dissonance that arises from telling oneself that you agree with those who curse Amazon (or what it represents) while you continue to choose Amazon.

I'm desperately searching for an e-book reader and i wonder if someone here has a good answer. I'd like a something I can root and or at least run arbitrary userland code on. I want a size that's good for edc in a small backpack or handbag, maybe 7 - 11", pen support would also be really nice, does any such thing exist?

Unfortunately this is mostly for very old versions of Kobo e-readers! Specifically the ones that use an SD Card for internal storage. Very sad since I'm very much in the market for an e-Ink device that I can just use offline to read my .pdf and .epub files. Does anyone have suggestions?

Apparently they're working on a new OS based on the Pine64 Pinenote* but it's almost $400!

This is very timely, as I recently purchased a Kobo device. One painpoint has been syncing sideloaded books between my phone and Kobo. I am using Readest sync with KOReader but I'd love to see a more seamless solution. Hoping that Quill can offer some sort of sync in the future.

I’m trying to leave the Kindle world. I’ve already stopped buying books on Amazon, instead getting them elsewhere and using Calibre to strip the DRM and sideload them.

What I really want is a physical eink reader that can load books from the bookshop.org ebook store. Then I can support both authors and bookstores.

Their website claims that they have an integration with Kobo on the way, but it’s said this for about a year now with no progress.

From what I gathered the (germany centric?) available "Tolino" eReaders are just a rebranding of Kobo (or the other way round). So depending on the model the OS should also run on Tolinos right?

By OS I take it this includes a kernel and is a full replacement of the native Kobo OS (Nickel)? If so, then I wonder if it's possible to get Kobos to boot directly into KOReader.

How does this compare to using Plato or KOreader? I currently use Plato for its simplicity.

  • Love Plato- it’s so performant! I’ve always wondered why Kobo doesn’t just throw out what they’ve got and fork it.

    • While I do like Plato, it's got a lot of bugs and design issues... It can't handle epubs without chapters/really large chapters, it is noticeably worse on battery life than KOreader or the stock firmware, the amount of time taken to load the dictionary is proportional to the number of dictionaries, etc.

I don't see anything about libby/overdrive support which isn't surprising but is unfortunate.

Integration with libraries is the killer feature of ereaders IMO

  • Is it? Calibre with deDRM is a must for me. I love Overdrive but cannot imagine to stick to the forced regime of lending periods and random waiting times. I also typically read multiple (sometimes dozens of) non-fiction books in parallel, plus one or two fiction. That just wouldn’t work at all with digital lending.

    • It's the only way that works with digital lending! If you want to always have something available to read you need to be steadily queuing up books, but then they come in at a semi-random time so you have to jump between books depending on lending periods / length / interest to get through everything you have checked out before they get returned.

    • This is really sad. You're just pirating books. At least go use a pirate website and don't ruin libraries for the rest of us.

      We will no longer have public goods if the public abuses them.

  • I love the idea of OverDrive but I've yet to have success with it. Either the book I'm interested in isn't available or it's unavailable for weeks. I don't have a ton of time to read or to drop what I am reading when something becomes available, so I usually just wind up buying the book if I'm really excited about it.

    Granted, my library is not part of a major city's system but it's also not what I'd call a small one. I'd be curious to know how NYC or Chicago compare, as those are where people I know have had very positive experiences with these options.

    • What works for me with overdrive is using holds and then when it comes available, if I'm not ready to read I let someone skip ahead of me. That way I'm still next in line but it gives me a few days until someone else finishes the book and then it pings me again.

    • If you read one book a quarter then yeah it’s not for you. If you read one book a week you can queue up fifty good books and wait for that one to come available at some point in the year.

      1 reply →

  • Huh cool, we don't have any such large online libraries in Europe. Some countries or regions have some small online repos but it's a real PITA to get working as they all use Adobe drm.

    I used to buy on kindle but since they made it much harder to break drm I just pirate now. I'm not paying for content I don't get to own.

    • I have an account with Berlin libraries and they offer both Libby and Overdrive (and some others) with a fairly large catalog. There is deDRM for calibre, and a command line tool called Knock which does not require Adobe software to remove the DRM.

      1 reply →

I need ssh+mc+cc+git

not for real coding but for sometimes writing a patch and meybe creating a small script

If they ever make a Kobo like the Kindle Oasis, I'll switch. Until then, I'm holding onto the best e-reader experience I've ever had.

Considering the Kobo ereaders have bluetooth antennas, it is really too bad that they cant be put on the FindMy network to find a lost ebook. Open source firmware should enable that though since the FindMy protocol has been reverse engineered.

  • So you mean it's not _currently_ possible, not that they _can't_ be put on the network?

This project is basically abandoned, as they chose to rebuild it from the ground up targeting a different platform: https://github.com/PorQ-Pine

Part of the motivation derived from newer Kobos deploying with SecureBoot, making it tough to reflash them.

  • From the wiki: currently supported devices does not appear to support the recent Kobo eReaders

  • What I don't really understand is why they've tied the reader app so tightly to the entire custom OS. It seems like it used to be more standalone, and these days that is essentially impossible?

  • I have a Kobo Elipsa 2E (which I love). I never new about the PineNote! It seems awesome. Maybe I will have to get one.

Why would i need another OS for ... an e-reader? Are people just so bored? Who would keep this up-to-date? And why?

what's the recommended ereaders now aday? with an open OS?

  • Rakuten, the company behind kobo, has always tolerated hacking their devices, so there are several options, including KOReader, Plato and the subject here, Quill. Personally I think Kobo is your best option, if i understand your ‘open OS’ requirement.

I'd love to try this, but (tangential) have they fixed their screen issues? I sent back three Kobo Elipsa 2E units in a row before just getting my money back due to bright point spots on the lit-up screen, which are reportedly caused by dust caught between layers during assembly. It's a bit disappointing to spend over €400 on a device several times and discover that the manufacturer apparently can't even bother assembling them in a clean room to avoid messing up the primary feature of the device.