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Show HN: Open Passkey – open-source passkey auth with free "backendless" host

https://github.com/locke-inc/open-passkey
8•connorpeters•13h ago
I, like Andrej Karpathy, became super frustrated by how annoying it was to deploy projects that were previously an absolute joy to make with Claude Code. That is why I made open-passkey, an MIT licensed passkey repo with support for 33 languages and frameworks (examples included) that makes adding simple secure auth to a project easy.

We are also releasing gateway (https://gateway.locke.id) a "backendless" hosted auth server that frontend apps can consume for free so that you can ship a React or Angular app using a CDN like Netlify without needing to configure a server at all. We are willing to freely share the resources of an AWS t.large instance which should easily support millions of accounts & sessions. This decision was made to improve our velocity when it comes to shipping small apps (it should go without saying that this is not designed for large apps).

Open-passkey prioritizes post-quantum algorithms, though they are not supported by browsers yet. On top of Gateway, we also built a simple end-to-end encrypted key value store modeled after localStorage. A simple setItem() and getItem() API that uses PRF with passkeys to store encrypted values on gateway with zero config. This, again, was made to improve our velocity to securely add API keys and stuff to frontend apps without needing to pay for a server to host. Obviously gateway is completely optional and exporting out your users public keys is supported with rp_id verification via domain TXT records.

Show HN: Prompt-to-Excalidraw demo with Gemma 4 E2B in the browser (3.1GB)

https://teamchong.github.io/turboquant-wasm/draw.html
6•teamchong•2h ago•5 comments

Show HN: MDV – a Markdown superset for docs, dashboards, and slides with data

https://github.com/drasimwagan/mdv
128•drasim•22h ago•47 comments

Show HN: SmallDocs – Markdown without the frustrations

85•FailMore•4d ago•40 comments

Show HN: AI Subroutines – Run automation scripts inside your browser tab

https://www.rtrvr.ai/blog/ai-subroutines-zero-token-deterministic-automation
44•arjunchint•1d ago•13 comments

Show HN: I made a calculator that works over disjoint sets of intervals

https://victorpoughon.github.io/interval-calculator/
302•fouronnes3•1d ago•51 comments

Show HN: Smol machines – subsecond coldstart, portable virtual machines

https://github.com/smol-machines/smolvm
468•binsquare•1d ago•140 comments

Show HN: Sostactic – polynomial inequalities using sums-of-squares in Lean

https://github.com/mmaaz-git/sostactic
9•mmaaz•14h ago•1 comments

Show HN: PanicLock – Close your MacBook lid disable TouchID –> password unlock

https://github.com/paniclock/paniclock/
249•seanieb•1d ago•111 comments

Show HN: Sfsym – Export Apple SF Symbols as Vector SVG/PDF/PNG

https://github.com/yapstudios/sfsym
25•olliewagner•1d ago•8 comments

Show HN: Stage – Putting humans back in control of code review

https://stagereview.app/
125•cpan22•2d ago•106 comments

Show HN: MacMind – A transformer neural network in HyperCard on a 1989 Macintosh

https://github.com/SeanFDZ/macmind
156•hammer32•3d ago•42 comments

Show HN: Open Passkey – open-source passkey auth with free "backendless" host

https://github.com/locke-inc/open-passkey
8•connorpeters•13h ago•0 comments

Show HN: Pvm – A TUI to browse and run commands across multiple Python venvs

https://github.com/Higangssh/pvm
8•swq115•1d ago•0 comments

Show HN: AWS's Kiro just got an Open source Codex

https://github.com/thabti/kirodex
5•sovietism•15h ago•1 comments

Show HN: SPICE simulation → oscilloscope → verification with Claude Code

https://lucasgerads.com/blog/lecroy-mcp-spice-demo/
119•_fizz_buzz_•2d ago•32 comments

Show HN: Coelanox – auditable inference runtime in Rust (BERT runs today)

https://www.coelanox.com/
3•Shark1n4Suit•16h ago•0 comments

Show HN: I can't write Python. It works anyway

https://github.com/Wewoc/Garmin_Local_Archive
7•Wewoc•1d ago•4 comments

Show HN: Home Memory – A local DB of my house, down to cables and pipes

https://github.com/impactjo/home-memory
54•impactjo•2d ago•13 comments

Show HN: Marky – A lightweight Markdown viewer for agentic coding

https://github.com/GRVYDEV/marky
73•GRVYDEV•2d ago•35 comments

Show HN: Pyra – a Python toolchain experiment inspired by uv and Bun

https://github.com/treyorr/pyra
10•trey-orr•1d ago•3 comments

Show HN: OCI MicroVMs for Proxmox VE

https://github.com/rcarmo/pve-microvm
9•rcarmo•19h ago•3 comments

Show HN: Praxis – Lab data to publication-ready figures in one Python package

https://github.com/zmtsikriteas/praxis
2•zmtsikriteas•19h ago•0 comments

Show HN: Libretto – Making AI browser automations deterministic

https://github.com/saffron-health/libretto
132•muchael•3d ago•57 comments

Show HN: DOMPrompter – click a DOM element, get a structured AI coding prompt

4•witnote•19h ago•0 comments

Show HN: WebGL Liminal Space

https://liminal-dwsw5.ondigitalocean.app/
2•5fc3b4•20h ago•0 comments

Show HN: Llama.cpp Tutorial 2026: Run GGUF Models Locally on CPU and GPU

11•anju-kushwaha•1d ago•2 comments

Show HN: Rapid-MLX – Run local LLMs on Mac, 2-3x faster than alternatives

https://github.com/raullenchai/Rapid-MLX
6•raullen•22h ago•0 comments

Show HN: Hiraeth – AWS Emulator

https://github.com/SethPyle376/hiraeth
39•ozarkerD•3d ago•9 comments

Show HN: LangAlpha – what if Claude Code was built for Wall Street?

https://github.com/ginlix-ai/langalpha
145•zc2610•4d ago•54 comments

Show HN: Gave Claude a casino bankroll – it gambles till it's too broke to think

https://letaigamble.com/
38•mackbrowne•3d ago•9 comments