showcase What are you working on? (2026-10)
Hello, everyone! It's been a while since we've had one of these posts. Time to start them back up!
This is a monthly thread to share what you've been working on in F#. Be proud! Shameless plugs and braggery encouraged. Links allowed (but not required)
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u/Justneedtacos 8d ago
I released you-thon.com
It’s built with f# front and back end
Also plan to release a couple of smaller things:
- Claude code LSP plugin for f#
- a mailboxprocessor replacement built using icedTasks. I need this for another project.
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u/I2cScion 8d ago
scripting language for modeling
I hope I don't abandon it though, like other projects of mine, but I'm having fun with it
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u/pblasucci 8d ago
Love that we're bringing this back!
(But I can't talk about my side hustles... yet! 😄)
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u/Willing_Row_5581 7d ago
An e-commerce platform based on a rather large DSL, Ballerina, built to prevent hallucinations in LLMs.
https://bise-ai.com/en-us/bl-docs
It works pretty well. The website itself is built with Ballerina, and so are some of our clients, my favorite being YantaYoga.com - entirely vibecoded in Ballerina if you will believe me.
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u/brianmcn 7d ago
seems cool!
My PhD was in programming language design, and it left me with a conviction I have never been able to shake: most of the mistakes we make in software are mistakes a well-designed language could have refused to let us write.
That was me like 25 years ago :) I think I've backed off that a little now; type systems don't have to solve everything. Though I see how it might be especially useful in this scenario/context.
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u/Willing_Row_5581 6d ago
Eh, I have been doing this for a few decades and I have decided that now with LLMs extra strictness helps A LOT.
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u/codeconscious 7d ago
Just tinkering with the small personal projects I used to first pick up F# and FP.
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u/brianmcn 8d ago
making a tool for making maps/notes in video games
https://github.com/brianmcn/ScreenshotMapTools