Show HN: Smart model routing directly in Claude, Codex and Cursor

Innovative design transforms urban spaces for community engagement.

Show HN: I built a hardware quantum RNG and wired it into a Magic 8-Ball

Exploring the complexities of building a Quantum Random Number Generator.

Show HN: WebBase-III – dBASE III rebuilt in the browser with its own interpreter

Experience dBASE III nostalgia in your web browser today.

Show HN: A map of every UK railway, including stations that no longer exist

Show HN: Chess-Inspired Roguelike

Show HN: OpenKnowledge – open source AI-first alternative to Obsidian/Notion

Local-first WYSIWYG markdown editor with advanced AI integrations.

Show HN: I made Google Trends for Hacker News by indexing 18 years of comments

Explore Hacker News trends over 18 years of data.

Show HN: ZeroGate – API gateway to scale cloud GPUs to zero when idle

ZeroGate revolutionizes GPU resource management for cloud applications.

Show HN: Turn native language audio into flashcards and shadowing practice

Show HN: I built a tool that matches Founders to VCs based on their pitch deck

Show HN: MiniPCs.zip – Charting the Pareto frontier of Mini PCs

Show HN: Ponder – the best articles and essays on the internet

Show HN: Jargo – a Golang port of Pipecat for conversational-AI apps

Build real-time voice agents effortlessly with Jargo in Go.

Show HN: Bible as RAG Database

Show HN: Git-lazy-mount mount a repo without cloning it. Works with ordinary Git

Effortlessly work on vast git repositories without full cloning.

Show HN: LWDT – A Zephyr-inspired device-tree framework for ESP-IDF

Revolutionizing ESP-IDF with a lightweight driver framework.

Show HN: Motif Atlas – recurring patterns behind complex systems

Show HN: StartupsBR – A map of Brazilian startups

Show HN: Monolisa v3 – a typeface for developers and creatives

Stylish font enhances code legibility for developers and creatives.

Show HN: Nimic – Pure Python as a systems language with AOT compilation

Nimic enables Python to compile to high-performance Nim code.

Show HN: Persona.js – a vanilla-JS agent UI library with native WebMCP (MIT)

Revolutionary AI chat widget enhances any website interaction.

Show HN: Secs-man, a secrets manager you can (not) rely on

Manage secrets safely without software dependency.

Show HN: Wordit – Change One Letter, Keep the Chain Going

Show HN: Write SaaS apps where users control where their data is stored

No backend needed: Quick database connections with LinkedRecords.

Show HN: A Transformer Is All You Need

Tracing decoder weights enhances understanding of transformer decisions.

Show HN: Nub – A Bun-like all-in-one toolkit for Node.js

Nub enhances Node.js performance with fast, versatile toolkit.

Show HN: LookAway, a Mac break reminder that knows when not to interrupt

LookAway introduces scheduled breaks feature for better productivity.

Show HN: peerd – AI agent harness that runs entirely in your browser

Introducing Peerd: Experimental tool for seamless integration.

Show HN: I replaced my X analytics dashboard for a daily "what to do next" brief

Show HN: Got sick of ads, so I made my own logic puzzle site

Daily free logic puzzles challenge your mind each morning.