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Show HN: I trained a 125M model to autocomplete piano on-device

https://simedw.com/2026/08/20/midi-autocomplete/
375•simedw•6h ago•89 comments

Show HN: We chased a weather balloon across Montana and never found it

https://radi8.dev/blog/uplink/
24•radeeyate•1h ago•8 comments

Show HN: Omacosy – Omarchy-style tiling desktop for macOS, no SIP

https://github.com/paulsp94/omacosy
15•paulsp•4h ago•11 comments

Show HN: Open-source Stripe Connect alternative

https://zoneless.com
38•tinyprojects•4h ago•19 comments

Show HN: Check if any of the $656M in unclaimed royalties at The MLC is yours

https://pub.doub.ly/
47•knaught•4h ago•26 comments

Show HN: sce (Simple Console Editor)

https://github.com/volution/simple-console-editor
5•ciprian_craciun•5d ago•0 comments

Show HN: WaveHouse – Supabase for ClickHouse

https://wavehouse.dev
5•ericandr•44m ago•0 comments

Show HN: Skilldocs – Figma for Markdown

https://skilldocs.dev/tour
2•rajivayyangar•48m ago•1 comments

Show HN: Halmos.Science - Hacker News for math, the server checks the proofs

https://halmos.science/
3•nadermx•59m ago•0 comments

Show HN: Process your solar eclipse data

https://github.com/dmead/solar-eclipse-timelapse
2•dmead•1h ago•0 comments

Show HN: See what's behind any website: DNS, hosting, security, tech stack

https://heckzar.app/
2•nimsarajay•1h ago•1 comments

Show HN: SystemG – An agent-friendly general process composer

https://sysg.dev
2•ra0x3•1h ago•0 comments

Show HN: JavaScript library that makes any list a smooth picker of any shape

3•tahazsh•1h ago•0 comments

Show HN: Foundera - Helping Tech Builders Make Something People Want

https://foundera.app/
2•solocem•1h ago•0 comments

Show HN: GPU VulnDB – open vulnerability database for GPU infrastructure

https://gpuvulndb.org
2•lmarkin•1h ago•0 comments

Show HN: Mapping where a quadruped RL policy fails, with a live probe

https://poissonlabs.ai/research/map-the-failure-boundary/
2•taykolasinski•1h ago•0 comments

Show HN: Telexpage – Turn secrets into AES-256 encrypted PDFs, locally

https://telexpage.com/
2•cucho•1h ago•0 comments

Show HN: Outbid.to, a pay-to-win leaderboard for websites

https://www.outbid.to/
2•cjdesignstudio•1h ago•0 comments

Show HN: Future Crew's 1993 Second Reality, rebuilt by AI agents, no emulation

https://www.secondreality1993.com/
3•chrisstanchak•1h ago•1 comments

Show HN: Building Table Canon, an AI Campaign Memory Engine for TTRPGs

https://tablecanon.app/
3•schillingderek•2h ago•2 comments

Show HN: Streambench – Native Mac Client for Kafka and NATS

https://streambench.app
12•valentinprgnd•5d ago•4 comments

Show HN: Sitmap – a World in Conflict inspired map maker for Cold War scenarios

https://tomaytotomato.github.io/sitmap/
7•tomaytotomato•5h ago•3 comments

Show HN: Excuse My French – an Open Source French-learning app

https://excusemyfrench.org/
3•onurcel•2h ago•0 comments

Show HN: Sentrint, a security scanner for projects build with LLMs

https://sentrint.com/
5•Gourabdg•5h ago•2 comments

Show HN: Paymug – Self-host LemonSqueezy / Polar alternative

https://github.com/Paymug/paymug
2•docuru•2h ago•0 comments

Show HN: Compute.cx is simple (modal.com like) interface for on-demand GPUs

https://compute.cx
4•hargup•2h ago•0 comments

Show HN: Epho – run Claude Code with a curl

https://epho.io
5•karakanb•2h ago•0 comments

Show HN: Orion - A Self-hosted torrent client and media server

https://github.com/guyavrhm/orion
2•flarbooga•3h ago•0 comments

Show HN: okfctl

https://github.com/cwest/okfctl
4•caseywest•3h ago•0 comments

Show HN: Sci-Trust – Compare trust among researchers based on their citations

https://science.uptrusthq.com/
7•folktheory•3h ago•2 comments
Open in hackernews

Show HN: Future Crew's 1993 Second Reality, rebuilt by AI agents, no emulation

https://www.secondreality1993.com/
3•chrisstanchak•1h ago

Comments

chrisstanchak•1h ago
Second Reality was one of the programs that made me a computer geek as a kid. I built this as an homage to Future Crew and to make the demo accessible to anyone with a browser.

I also wanted to see whether current AI coding agents could actually reconstruct something this gnarly from the original C, x86 assembly, Pascal, data files, and shipped executables without just approximating the visuals. I kept pushing for source-level fidelity, including the music sync, VGA quirks, hidden part, and deterministic verification.

Demo: https://www.secondreality1993.com/ Source: https://github.com/stanchak/secondreality1993

Would love feedback from anyone who knows the original.