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Show HN: Excel Custom Functions in Zig

https://github.com/AlexJReid/zigxll
4•alexjreid•3h ago
A Zig package for implementing Excel custom functions against the ancient C SDK.

This exists because I wanted to learn about Zig's C interop and comptime to see if it was possible to make the Excel C SDK slightly nicer to work with.

It's just a demo, I wouldn't use it for anything important, but I learnt a lot doing it. There is also a demo repo: https://github.com/AlexJReid/zigxll-standalone

Show HN: Browser-based interactive 3D Three-Body problem simulator

https://trisolarchaos.com/?pr=O_8(0.6)&n=3&s=5.0&so=0.00&im=rk4&dt=1.00e-4&rt=1.0e-6&at=1.0e-8&bs...
170•jgchaos•23h ago•61 comments

Show HN: Fixing a single pointer bug unlocked 1M+ row JSON parsing on Windows

2•hilti•1h ago•0 comments

Show HN: RowboatX – open-source Claude Code for everyday automations

https://github.com/rowboatlabs/rowboat
101•segmenta•19h ago•39 comments

Show HN: Open-source library to get detailed power and system info for Macs

https://github.com/BinSquare/powermetrics-go
2•binsquare•2h ago•0 comments

Show HN: Q⊗DASH – Rust/Python quantum operator framework for graph-based QC

2•dioniceOS•2h ago•0 comments

Show HN: Excel Custom Functions in Zig

https://github.com/AlexJReid/zigxll
4•alexjreid•3h ago•0 comments

Show HN: Guts – convert Golang types to TypeScript

https://github.com/coder/guts
90•emyrk•20h ago•26 comments

Show HN: A subtly obvious e-paper room air monitor

https://www.nicolin-dora.ch/blog/en-epaper-room-air-monitor-part-1/
54•nomarv•1d ago•21 comments

Show HN: Godantic – JSON Schema and Validation for Go LLM Apps

https://github.com/deepankarm/godantic
2•deepankarm44•3h ago•0 comments

Show HN: I built a synth for my daughter

https://bitsnpieces.dev/posts/a-synth-for-my-daughter/
1255•random_moonwalk•1w ago•209 comments

Show HN: Parqeye – A CLI tool to visualize and inspect Parquet files

https://github.com/kaushiksrini/parqeye
156•kaushiksrini•1d ago•35 comments

Show HN: ESPectre – Motion detection based on Wi-Fi spectre analysis

https://github.com/francescopace/espectre
202•francescopace•2d ago•50 comments

Show HN: Continuous Claude – run Claude Code in a loop

https://github.com/AnandChowdhary/continuous-claude
160•anandchowdhary•3d ago•59 comments

Show HN: Tokenflood – simulate arbitrary loads on instruction-tuned LLMs

https://github.com/twerkmeister/tokenflood
20•twerkmeister•1w ago•0 comments

Show HN: Lumical – scan any meeting invite into your calendar in seconds

https://lumical.app/
3•arunavo4•7h ago•4 comments

Show HN: Kk – A tiny Bash CLI that makes kubectl faster

https://github.com/heart/kk-Kubernetes-Power-Helper-CLI
2•nkheart•8h ago•0 comments

Show HN: Reversing a Cinema Camera's Peripherals Port

https://3nt3.de/blog/reversing-fs7-comms
47•3nt3•1w ago•2 comments

Show HN: PrinceJS – 19,200 req/s Bun framework in 2.8 kB (built by a 13yo)

https://princejs.vercel.app
148•lilprince1218•1d ago•68 comments

Show HN: Startup Simulator

https://startup-simulator-phi.vercel.app/
3•paperplaneflyr•11h ago•2 comments

Show HN: Kalendis – Scheduling API (keep your UI, we handle timezones/DST)

https://kalendis.dev
18•dcabal25mh•1d ago•8 comments

Show HN: Building WebSocket in Apache Iggy with Io_uring and Completion Based IO

https://iggy.apache.org/blogs/2025/11/17/websocket-io-uring/
29•spetz•1d ago•6 comments

Show HN: My hobby OS that runs Minecraft

https://astral-os.org/posts/2025/10/31/astral-minecraft.html
14•avaliosdev•1d ago•3 comments

Show HN: I released Steam utility "Sentinel Signal" to manage your gaming time

https://store.steampowered.com/app/3879010/Sentinel_Signal/
2•sentinelsignal•5h ago•0 comments

Show HN: Unflip – a puzzle game about XOR patterns of squares

https://unflipgame.com/
179•bogdanoff_2•1w ago•52 comments

Show HN: Bsub.io – zero-setup batch execution for command-line tools

22•wkoszek•1d ago•10 comments

Show HN: Octopii, a framework for building distributed applications in Rust

21•janicerk•1d ago•3 comments

Show HN: How are Markov chains so different from tiny LLMs?

17•JPLeRouzic•1d ago•1 comments

Show HN: We built a generator for Vue+Laravel that gives you a clean codebase

https://codecannon.dev/
5•codecannon•19h ago•2 comments

Show HN: Agfs – Aggregated File System, a modern tribute to the spirit of Plan9

https://github.com/c4pt0r/agfs
9•c4pt0r•1d ago•0 comments

Show HN: Copus – Internet gem marketplace for bookmark collectors (x402-powered)

https://www.copus.network/
4•Handuo•20h ago•0 comments