fp.

Show HN: Cost.dev (YC W21) – making agents cost-aware and cheaper to call

https://cost.dev/

37•akh•5d ago•22 comments

Show HN: Gravity – interactive solar-system simulator, from Newton to Einstein

https://qunabu.github.io/Gravity/

107•qunabu•7h ago•23 comments

Show HN: GentleOS – A pair of hobby OSes for vintage 32-bit and 16-bit PCs

https://github.com/luke8086/gentleos32

58•luke8086•2d ago•80 comments

Show HN: Learn from 30 historical figures, open source, nonprofit, self-hosted

https://github.com/chipmates/agoracosmica

21•micstradev•7h ago•11 comments

Show HN: Nodea, an open-source AI canvas for working through complex projects

https://nodea.ai/demo

3•ElliottCrosby•1h ago•0 comments

Show HN: Open-source version of Anthropic's internal analytics engine

https://github.com/Kaelio/ktx

4•lucamrtl•3h ago•1 comments

Show HN: Performative-UI – A react component library of design tropes

https://vorpus.github.io/performativeUI/

1115•lizhang•1d ago•201 comments

Show HN: AutoGPU – AI designs a real 7nm GPU, from Verilog to GDSII

https://github.com/npip99/autogpu

4•npip99•3h ago•0 comments

Show HN: Claw Patrol, a security firewall for agents

https://github.com/denoland/clawpatrol

18•rough-sea•3h ago•4 comments

Show HN: AI-native red-team for penetration testing and vulnerability research

https://github.com/yv1ing/Z3r0

2•yv1ing•3h ago•0 comments

Show HN: Gitdot – A better GitHub. Open-source, written in Rust

https://gitdot.io/

299•baepaul•1d ago•287 comments

Show HN: ChromiumFish – Open-source fingerprint-hardened Browser for Scraping

https://github.com/arman-bd/chromiumfish

6•armanified•4h ago•1 comments

Show HN: A terminal writing environment with Git, E2EE sync and temporal search

3•sys-ronin•4h ago•1 comments

Show HN: Cate – open-source canvas IDE for agentic coding workflows

https://cate.cero-ai.com

5•Imbiss•4h ago•0 comments

Show HN: I built 10 ML algos from scratch because fit() predict() are not enough

https://github.com/ml-from-scratch-book/code

5•akmoleksandr•4h ago•1 comments

Show HN: Hires Chess Trainer – drill the mistakes from your own chess games

https://github.com/gaelazzo/python_chess

2•gaelazzo•5h ago•1 comments

Show HN: Run Gemini & ChatGPT UI with Python

https://github.com/pseudo-usama/hermex

3•pseudo-usama•5h ago•3 comments

Show HN: Simten – design hardware in TypeScript and simulate it in the browser

https://simten.dev/

2•charlesfrisbee•6h ago•0 comments

Show HN: Command Center, the AI coding env for people who care about quality

https://www.cc.dev/

57•Darmani•21h ago•29 comments

Show HN: UK sold house prices, uncapped, by postcode/county (Land Registry)

https://github.com/vladignatyev/uk-land-registry-price-paid

5•v_ignatyev•6h ago•1 comments

Show HN: Mach – A compiled systems language looking for contributions

https://github.com/octalide/mach

29•octalide•20h ago•25 comments

Show HN: A static SPA to query ATF / BATFE historic AFMER data

https://ryjones.github.io/AFMER-SPA/?ymin=2000&ymax=2024&text=BOEING

2•RyJones•8h ago•0 comments

Show HN: CSV Graph – create charts from CSV files in the browser

https://csv.qingyanglabs.com

7•lfdev•12h ago•2 comments

Show HN: Lathe – Use LLMs to learn a new domain, not skip past it

https://github.com/devenjarvis/lathe

391•devenjarvis•2d ago•71 comments

Show HN: NoSuggest – Watch YouTube without the recommendation algorithm

https://www.nosuggest.com/

58•VJ-2-108•5d ago•61 comments

Show HN: Startup sci-fi novel that took me 5 years to write

https://www.blockchainednovel.com/

21•mck-•1d ago•10 comments

Show HN: Courtside – TUI for NBA Games

https://github.com/NolanFogarty/courtside

19•nolanfogarty•3d ago•5 comments

Show HN: I Derived a Pancake

https://www.absurdlyoptimized.com/recipes/pancakes/

334•bkazez•4d ago•135 comments

Show HN: HTTP/3 and raw QUIC client/server APIs for Node.js

https://github.com/currentspace/http3

14•brian_meek•1d ago•0 comments

Show HN: SuperTree – interactive decision tree plot for sklearn,xgboost,lightgbm

https://github.com/mljar/supertree

2•pplonski86•10h ago•0 comments