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    This is my latest side project.

    The core is written in Go and is cross platform and open source: https://github.com/fogleman/primitive

    It got a lot of good feedback, so I thought I’d try putting a GUI on it and selling it in the app store. It only took me a couple weeks to do the GUI, website, etc. so it was worth the effort. It’s written in Objective-C and launches a Go binary to do the heavy lifting (communicating over stdin/stdout). A better approach might be to compile the Go code to a shared library and directly link it into the app, but I hadn’t considered that approach until someone mentioned it recently.

    Sales have been really good since launching, but that’s mainly due to being on the front page of HN. It remains to be seen how well it will do over time, but people seem to like it.

    Thanks for reading!

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      Any particular reason for the lol TLD? I thought this was going to be a joke before I clicked.

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        It was available and I figured it’s memorable at least.

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          HK?

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            Hacker Knews, I assume.

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              And HG, Hacker GNUs.

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        Isn’t there a GIMP plugin for this :)

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          Probably but, much as I love the Gimp, its interface is nowhere near this nice looking :)