Show HN: I built a synthesizer based on 3D physics (anukari.com)

237 points by humbledrone 5h ago 60 comments

Show HN: GPT-2 implemented using graphics shaders (github.com)

151 points by nathan-barry 7h ago 22 comments

Show HN: Blast – Fast, multi-threaded serving engine for web browsing AI agents (github.com)

81 points by calebhwin 5h ago 31 comments

Show HN: Exhibit and Site on Mechanisms for Students (mechanical-library.org)

22 points by sturbes 6h ago 5 comments

Show HN: Kinematic Hand Skeleton Optimization in Jax (github.com)

5 points by pablovelagomez 2h ago 0 comments

Show HN: OSle – A 510 bytes OS in x86 assembly (github.com)

130 points by shikaan 17h ago 25 comments

Show HN: Cryptle – Wordle for Cryptogrphy (cryptle.site)

2 points by Haris1245 47m ago 0 comments

Show HN: Kubetail – Real-time log search for Kubernetes (github.com)

116 points by andres 1d ago 35 comments

Show HN: Traycer.ai – Turn GitHub Issues into a Step-by-Step Plan (traycer.ai)

6 points by pranshu54 2h ago 0 comments

Show HN: Roons – Mechanical Computer Kit (whomtech.com)

186 points by uncial 1d ago 30 comments

Show HN: A motherfucking app (does one thing, under 300 LOC) (adnjoo.github.io)

19 points by adnjoo 8h ago 22 comments

Show HN: Hyperparam: OSS tools for exploring datasets locally in the browser (hyperparam.app)

71 points by platypii 1d ago 21 comments

Show HN (YC S25): Well – MCP AI-Based Collection of Invoices

3 points by maxchampoux 7h ago 5 comments

Show HN: Polyseed – first(?) pq PAKE implementation (github.com)

4 points by ghostway 7h ago 0 comments

Show HN: Robot Unlock – an open-ended programming game/zachlike (store.steampowered.com)

38 points by adrianton3 1d ago 11 comments

Show HN: Create your own finetuned AI model using Google Sheets (promptrepo.com)

135 points by QueensGambit 2d ago 41 comments

Show HN: Maybe – The personal finance app for everyone (maybefinance.com)

20 points by constantinum 21h ago 4 comments

Show HN: ART – a new open-source RL framework for training agents (github.com)

114 points by kcorbitt 2d ago 12 comments

Show HN: Immediate-mode GUIs in C# – I wrote an eBook on using Dear ImGui in C# (github.com)

4 points by ImAxel 12h ago 0 comments

Show HN: AgenticSeek – Self-hosted alternative to cloud-based AI tools (github.com)

119 points by Fosowl 6d ago 18 comments

Show HN: Open-Launch – First Complete Open-Source Alternative to ProductHunt (open-launch.com)

8 points by drdruide 12h ago 6 comments

Show HN: I built a hardware processor that runs Python (runpyxl.com)

974 points by hwpythonner 4d ago 265 comments

Show HN: Kexa.io – Open-Source IT Security and Compliance Verification

79 points by patrick4urcloud 2d ago 15 comments

Show HN: Sim Studio – Open-Source Agent Workflow GUI (github.com)

192 points by waleedlatif1 4d ago 57 comments

Show HN: I Built Tabtix: A POS and QR Ordering System for Hotels and Restaurants

2 points by tabtix 13h ago 0 comments

Show HN: Convert Large CSV/XLSX to JSON or XML in Browser (csvforge.com)

41 points by Botlabs 1d ago 13 comments

Show HN: Beatsync – perfect audio sync across multiple devices (github.com)

433 points by freemanjiang 3d ago 125 comments

Show HN: Dcup – 100% Open-Source RAG-as-a-Service for AI-Powered Search (dcup.dev)

3 points by aliamer99 15h ago 0 comments

Show HN: A Chrome extension that will auto-reject non-essential cookies (blog.bymitch.com)

292 points by mitch292 3d ago 165 comments

Show HN: Compare PC Monitors (comparepcmonitors.com)

2 points by mjcurl 16h ago 0 comments

Show HN: Mini Hex – Convert 6-digit colors into their closest 3-digit equivalent (dannyduplex.com)

3 points by dduplex 16h ago 4 comments

Show HN: Web-eval-agent – Let the coding agent debug itself (github.com)

84 points by neversettles 4d ago 12 comments

Show HN: Heart Rate Zones Plus – The first iOS app I developed (apps.apple.com)

99 points by tobias5 4d ago 81 comments

Show HN: SQSAdmin – A web service / Docker that can manage your localstack SQS (ronreiter.github.io)

3 points by ronreiter 18h ago 1 comments

Show HN: I486SX_soft_FPU – Software FPU Emulator for NetBSD 10 on 486SX (github.com)

116 points by mezantrop 5d ago 42 comments

Show HN: Flowcode – Turing-complete visual programming platform (app.getflowcode.io)

172 points by gabigrin 3d ago 80 comments

Show HN: I made a toast that shows what visitors are doing in real-time (proofybubble.com)

3 points by kulkarniankita 22h ago 1 comments

Show HN: A pure WebGL image editor with filters, crop and perspective correction (github.com)

241 points by axelMI 4d ago 86 comments

Show HN: My self-written hobby OS is finally running on my vintage IBM ThinkPad (github.com)

569 points by joexbayer 6d ago 116 comments

Show HN: Daily Jailbreak – Prompt Engineer's Wordle (vaultbreak.ai)

130 points by ericlmtn 5d ago 64 comments

Show HN: A Common Lisp implementation in development, supports ASDF (savannah.nongnu.org)

96 points by andreamonaco 5d ago 60 comments

Show HN: I created snapDOM to capture DOM nodes as images with exceptional speed (github.com)

119 points by tinchox6 5d ago 42 comments

Show HN: I made an AI that generates SVG logos (vanlogo.co)

9 points by krm01 1d ago 2 comments

Show HN: Learn You Galois Fields for Great Good (xorvoid.com)

4 points by xorvoid 1d ago 0 comments

Show HN: LemonadeJS v5 – Micro-reactive JavaScript library (5.5KB, JSX, no deps) (lemonadejs.com)

5 points by rnyrms 12h ago 1 comments

Show HN: Self-Hosted HTTPS Tunnel in 300 LoC with Go, Caddy, and Cloudflare (nexo.sh)

10 points by nexo-v1 2d ago 0 comments

Show HN: HN top 30 summarized by Gemini 2.5 Pro (tinysums.ai)

6 points by mbm 1d ago 16 comments

Show HN: A synthetic text dataset to train tiny language models on (huggingface.co)

2 points by fi-le 1d ago 0 comments

Show HN: I made a web-based, free alternative to Screen Studio (screenrecorder.me)

458 points by johnwheeler 4d ago 114 comments

Show HN: Remote-Controlled IKEA Deathstar Lamp (gitlab.com)

290 points by sephalon 5d ago 55 comments

Emera and Nova Scotia Power Responding to Cybersecurity Incident

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