Thanks Ralf 👍 !

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Hey Ralf, I’m glad to hear everything worked out! I’m not sure if you’re already a subscriber, but either way—here on Open Source Photography, it’s all about open and free software, mostly Linux but also some Windows and Mac now and then. The focus is mainly on wildlife and bird photography and filmmaking with micro 4/3 cameras. Even if you don’t shoot with m4/3 gear, there’s always something going on here 🙂 Hope to see you again, Ralf! All the best,
Marc.

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no it is not OBS Studio:-)

In this case OBS is the Open Build Service:
https://software.opensuse.org/download.html?project=graphics:darktable&package=darktable

Sorry, I forgot to mention: I am on Linux Mint.

In the meantime I managed to get things working.
1.
To have a version with the old plugins working, I use the appimage you recommended.
2.
I mainly switched to Gimp3, because with this version it is possible to use darktable as a kind of plugin in Gimp.
When opening a RAW in Gimp, it opens darktable for editing. This was not possible with Gimp 2.10.
Unfortunately this does not work with the darktable appimage – therefore I installed darktable with the ppa provided by the Open Build Service.
3.
I never used many plugins in Gimp, except GMIC. And Gmic works fine with Gimp3 – so I only need the Gimp 2.10 appimage as a backup.

Cheers
Ralf

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I’m a Windows user, so it all just works thanfully!

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I just noticed I completely overlooked the G’MIC plugin – again, I don’t know your operating system, unless by “obs ppa1” you actually meant OBS Studio? Either way, the official download link is here: https://gmic.eu/download.html.
As you’ll know from reading my article and my message, I mainly use GIMP 3 for testing purposes only – many plugins simply don’t work with the latest version, which is why I tend to avoid it whenever I can. For emergencies, there’s always the stand-alone G’MIC – or use the older Gimp version appimage with all plugins included – like I do.
Best of luck installing and tweaking things!
Cheers,
Marc

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Dear Ralf,

Let me first address your last question: as mentioned in the article, I use GIMP 2.10.25 with G’MIC and various plugins already built-in. You can find all versions here:
👉 https://github.com/aferrero2707/gimp-appimage/releases/tag/continuous
Just pick the one labeled “plugins included.”

Now, about the “detection” between apps like GIMP, Darktable and RawTherapee (and other) — this behavior is actually quite normal. I’m not sure which distro you’re using, but if your system is up to date and you’re using “real” packages (like .deb, apt, or AUR), things usually work fine.

However, if you’re using Snap or Flatpak versions — as many distros unfortunately recommend these days — then it’s not unusual (actually, quite expected) that one app doesn’t “see” the other. That’s due to the sandbox architecture of these formats: they’re isolated for security and stability, but that also means they don’t integrate well with the system or other apps.

The same goes for AppImages — you’ll face similar limitations.

If I may give some advice: if you do want to use Snap or Flatpak, choose one system and stick with it. Personally, I prefer AppImages, but inter-app communication is a general issue across all of them.

That said, I don’t see it as a big deal — it’s very easy to drag and drop or copy photos from a viewer like gThumb or a file manager like Dolphin into the app of your choice. It’s a bit less streamlined, but it works just fine.

One last note — and this one’s entirely at your own risk.
Let’s just say: yes, there are workarounds, and depending on how comfortable you are with the terminal or command-line tools, you can trick applications into “seeing” each other.

To put it simply: if you ask ChatGPT something like “how do I make a Snap or Flatpak app communicate with another similar app,” it will gladly write a little script for you.

But hey — just remember Murphy’s Law is always lurking around the corner! 😄
Hope my reply was helpful in some way.
Marc.

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Hi Mark.may I ask you how you installed Gimp and Darktable?As Flatpaks or do you use Appimages?I am asking because I have some problems getting things working.Darktable is installed from the OBS ppa.1. The official Gimp 3.02. appimages recognizes darktable, but the appimage fails to open images via File-Open (it simply closes without an error message)2. The Gimp Flatpak does not recognize darktable.The only thing I get things working is the unofficial Gimp ppa from Panda Jim.One last question: How did you install the Gmic plugin?Thanks for your helpRalf

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