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Show HN: I scraped 3B Goodreads reviews to train a better recommendation model

https://book.sv
535•costco•2d ago•218 comments

Show HN: OSS implementation of Test Time Diffusion that runs on a 24gb GPU

https://github.com/eamag/MMU-RAG-competition
15•eamag•7h ago•0 comments

Show HN: Dynamic code and feedback walkthroughs with your coding Agent in VSCode

https://www.intraview.ai/hn-demo
37•cyrusradfar•1d ago•7 comments

Show HN: See chords as flags – Visual harmony of top composers on musescore

https://rawl.rocks/
119•vitaly-pavlenko•2d ago•28 comments

Show HN: Linguistic RL – A 7B model discovers Occam's Razor through reflection

https://github.com/DRawson5570/linguistic-rl-scheduling
2•drawson5570•4h ago•0 comments

Show HN: Lanturn – A smart headlamp running voice+vision on ESP32

https://github.com/getchannel/lanturn
2•Aeroi•4h ago•1 comments

Show HN: qqqa – A fast, stateless LLM-powered assistant for your shell

https://github.com/matisojka/qqqa
148•iagooar•1d ago•84 comments

Show HN: XML-Lib – An over-engineered XML workflow with guardrails and proofs

https://github.com/farukalpay/xml-lib
3•HenryAI•4h ago•0 comments

Show HN: TabPFN-2.5 – SOTA foundation model for tabular data

https://priorlabs.ai/technical-reports/tabpfn-2-5-model-report
71•onasta•1d ago•12 comments

Show HN: A Lightweight Kafka Alternative

5•kellyviro•5h ago•0 comments

Show HN: Ambient light sensor control of keyboard and screen brightness in Linux

https://github.com/donjajo/als-led-backlight
20•donjajo•5d ago•1 comments

Show HN: Extending LLM SVG generation beyond pelicans and bicycles

https://gally.net/temp/20251107pelican-alternatives/index.html
2•tkgally•6h ago•0 comments

Show HN: I made a better DOM morphing algorithm

https://joel.drapper.me/p/morphlex/
4•joeldrapper•7h ago•0 comments

Show HN: [npm] Recreation of YouTube's "ambient glow" effect

https://www.npmjs.com/package/video-ambient-glow
2•JSXJedi•8h ago•1 comments

Show HN: Flutter_compositions: Vue-inspired reactive building blocks for Flutter

https://github.com/yoyo930021/flutter_compositions
43•yoyo930021•1d ago•23 comments

Show HN: Chess960v2 – 100 Rounds Done, Some Openings Still Undefeated

https://chess960v2.com/en
2•lavren1974•12h ago•0 comments

Show HN: I built a search engine for all domains on the internet

https://domainexplorer.io
5•iryndin•13h ago•3 comments

Show HN: Switchport – A/B Test Your LLM Prompts in Production

https://switchport.ai/
2•rjfc•13h ago•0 comments

Show HN: A CSS-Only Terrain Generator

https://terra.layoutit.com
362•rofko•3d ago•82 comments

Show HN: FlashVSR – High-Speed 4K Video Super-Resolution

https://www.aiupscaler.net/flashvsr
2•lu794377•15h ago•0 comments

Show HN: Practice your captcha skills with Google's weirdest Street Views

https://street-captcha.netlify.app/
2•SantiDev•15h ago•1 comments

Show HN: What Is Hacker News Working On?

https://waywo.eamag.me/
10•eamag•1d ago•2 comments

Show HN: ApiMug – Terminal UI for Browsing / Testing APIs from OpenAPI/Swagger

https://github.com/doganarif/ApiMug
2•Arifcodes•18h ago•0 comments

Show HN: VT Code – Rust TUI coding agent with Tree-sitter and AST-grep

https://github.com/vinhnx/vtcode
3•vinhnx•18h ago•2 comments

Show HN: BookPace – Track your reading time (with NFC tags for physical books)

https://www.bookpace.app
3•wjhypo•19h ago•4 comments

Show HN: Completely free Claude Sonnet 4.5, supported by contextual ads

4•namanyayg•22h ago•2 comments

Show HN: Strange Attractors

https://blog.shashanktomar.com/posts/strange-attractors
798•shashanktomar•6d ago•78 comments

Show HN: a Rust ray tracer that runs on any GPU – even in the browser

https://github.com/tchauffi/rust-rasterizer
95•tchauffi•4d ago•29 comments

Show HN: DIY accessibility mouse helps people even with complete paralysis

https://github.com/aradzhabov/AbleMouse
4•aradzhabov•1d ago•0 comments

Show HN: ShellAI – Local Terminal Assistance with SLM

https://github.com/micrictor/shellai
5•mtud•1d ago•2 comments
Open in hackernews

Show HN: Switchport – A/B Test Your LLM Prompts in Production

https://switchport.ai/
2•rjfc•13h ago
I built a platform that allows you to more easily experiment with different system prompts in production. You can record your own metrics and it will automatically tie this information to whatever experiment treatment the user is in. For example, being able to test two system prompts and see which one actually improves user success rates or engagement. This might be useful in something like a sales or customer support agent.

You can update these experiments and prompts within the UI so you don't have to wait for your next deployment.

It's still pretty early but would love any feedback!