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Show HN: I built an interactive HN Simulator

https://news.ysimulator.run/news
4•johnsillings•2h ago•0 comments

Show HN: Cynthia – Reliably play MIDI music files – MIT / Portable / Windows

https://www.blaizenterprises.com/cynthia.html
72•blaiz2025•5h ago•17 comments

Show HN: I built an interactive map of jobs at top AI companies

https://map.stapply.ai
5•kalil0321•1h ago•1 comments

Show HN: New Systems Programming Language with Builtin Parallelism and No GC

https://axelang.org/
3•death_eternal•1h ago•0 comments

Show HN: Runbooks – Shareable Claude Code Sessions

https://www.aviator.co/runbooks
4•ankitdce•1h ago•0 comments

Show HN: Virtual SLURM HPC cluster in a Docker Compose

https://github.com/exactlab/vhpc
44•ciclotrone•5d ago•10 comments

Show HN: Stun LLMs with thousands of invisible Unicode characters

https://gibberifier.com
179•wdpatti•16h ago•94 comments

Show HN: I wrote a minimal memory allocator in C

https://github.com/t9nzin/memory
125•t9nzin•21h ago•29 comments

Show HN: Gitlogue – A terminal tool that replays your Git commits with animation

https://github.com/unhappychoice/gitlogue
149•unhappychoice•6d ago•19 comments

Show HN: Sphere-Base-One– A Python Kernel for Integer-Based Physics Optimization

https://github.com/universal-steward/hahn-optimization-core
3•zakthehahn•3h ago•1 comments

Show HN: Pg-aiguide – Write better PostgreSQL code with AI

https://github.com/timescale/pg-aiguide
3•cevian•4h ago•0 comments

Show HN: Numr – A Vim-style TUI calculator for natural language math expressions

https://github.com/nasedkinpv/numr
4•nasedkinpv•5h ago•0 comments

Show HN: I made a tool to export TikTok comments

https://exporttok.com
4•jackemerson•5h ago•1 comments

Show HN: Pulse-Field – O(N) AI Architecture (12x faster than Transformers)

https://github.com/makimilan/pulse-field-core
5•makimilan•6h ago•8 comments

Show HN: Build the habit of writing meaningful commit messages

https://github.com/arpxspace/smartcommit
107•Aplikethewatch•1d ago•129 comments

Show HN: WireMD – Design Wireframes in Markdown

https://wiremd.dev/
6•akonan•7h ago•3 comments

Show HN: I built an LLM powered receptionist for website chats

https://receptionst.com/
11•teemingdev•7h ago•3 comments

Show HN: Forty.News – Daily news, but on a 40-year delay

https://forty.news
431•foxbarrington•2d ago•171 comments

Show HN: Wealthfolio 2.0- Open source investment tracker. Now Mobile and Docker

https://wealthfolio.app/?v=2.0
668•a-fadil•3d ago•212 comments

Show HN: Flag Waver, create and simulate realistic waving flags online

https://flagwaver.org
4•star98•10h ago•1 comments

Show HN: Built a tool solve the nightmare of chunking tables in PDF vs. Markdown

https://github.com/2dogsandanerd/smart-ingest-kit
9•2dogsanerd•1d ago•0 comments

Show HN: I built a CLI tool to map your codebase for LLMs

https://github.com/JordanCoin/codemap
4•jordancj•11h ago•2 comments

Show HN: Simulating the vacuum as a superfluid to derive Alpha = 1/137

https://github.com/moseszhu999/geometric-vacuum-sim
5•moseszhu•13h ago•1 comments

Show HN: I built a wizard to turn ideas into AI coding agent-ready specs

https://vibescaffold.dev/
68•straydusk•1d ago•37 comments

Show HN: WeatherOrNot a maximal weather app in the terminal

https://james-see.github.io/weatherornot/
6•jamescampbell•13h ago•0 comments

Show HN: I built a free kids coloring site with AI

https://happykidscoloring.com/en
7•daimajia•14h ago•10 comments

Show HN: SitStand – Control your standing desk from the command line

https://gregraiz.com/blog/sitstand-bluetooth-desk-controller/
8•graiz•15h ago•0 comments

Show HN: 3M km interferometer concept using Saturn moons

https://zenodo.org/records/17665935
3•kurtswendson•17h ago•1 comments

Show HN: Ontology-driven knowledge graph extraction from text

9•cybermaggedon•8h ago•0 comments

Show HN: PolyGPT – ChatGPT, Claude, Gemini, Perplexity responses side-by-side

https://polygpt.app
26•ncvgl•2d ago•23 comments
Open in hackernews

Show HN: Pg-aiguide – Write better PostgreSQL code with AI

https://github.com/timescale/pg-aiguide
3•cevian•4h ago
Hi HN,

I built a suite of tools to help ai generate better PostgreSQL code. The most interesting part is an opinionated set of skills to help it design better Postgres schemas. Also includes search over the manual.

Deployeable as both an MCP server and as a Claude Code Plugin.

I want to also include ecosystem docs and skills. Timescale (where I work) is already included. Looking for help with PostGIS and pgvector.

Full open source.