1. Show HN: PipeFitter β Quick, Browser-Based, Parametric Pipe Connectors (mankyd.github.io)
Generate a 3D-printable pipe adapter from parameters and export it as a binary STL.
2. Show HN: Put a Run Button on the SQL in Your Blog Posts (seaquel.app)
A free embed that turns the SQL in your blog posts into real Postgres queries readers can edit and run without leaving the page.
3. Show HN: I'm crawling 11k homepages every week to track which fonts they use (fontsovertime.com)
A weekly record of the typefaces the webβs homepages are set in, by category, with trends and a feed of who switched.
4. Show HN: Tachyon β Java MCP Server SDK (tachyonmcp.dev)
Tachyon MCP is a production Model Context Protocol server runtime for Java and Kotlin. Netty transport, virtual threads, stateless by default, MCP 2025-11-25 and 2026-07-28 conformance.
5. Show HN: CubeLV β AI that designs your automation before building it (app.cubelv.com)
ζι δ½ ηδΈδΊΊ AI ε
¬εΈ
7. AI Passport Photo (www.aipassportphoto.org)
Make a passport or visa photo online. Pick a country, center the face, replace the background, and download a 300 DPI file. The photo is processed in your browser and is not uploaded.
Create your own passport or visa photo online by selecting your country, centering your face, and changing the background, all while keeping your data secure. The service processes images directly in your browser, allowing for easy downloads of high-quality files.
8. Show HN: Does per-step reasoning effort save money in Claude Code? (github.com)
Per-step reasoning effort for Claude Code, chosen by Jev, without breaking the prompt cache. Unofficial. - ifoster01/jev-effort
9. Do Food Trucks Need a Commissary Kitchen? Yes β Here's Why That's a Good Thing (www.thefoodcorridor.com)
Do food trucks need a commissary kitchen? Most do β here's what a commissary actually provides, how to find the right one, and how to use it well.
10. Vibe Coding Production Kit β a production workflow for AI coding agents (github.com)
Production-grade vibe coding framework with specs, architecture, AI agents, testing, security, code review, CI/CD, and battle-tested workflows β from idea to production. - Moeeryani/Vibe-Coding-Pro...
11. Show HN: I built a seriously detailed free financial planner (app.finzot.com)
12. Show HN: Minienv β remote mini environments generated from Docker Compose config (github.com)
Effortless remote mini environments generated directly from docker compose config - robgonnella/minienv
13. Show HN: A game about fake news and memes (unspin.app)
A free daily real-or-fake news game that builds media-literacy instincts. Play a timed shift or endless Go Rouge. No login required.
14. Show HN: Suparelay β Call any phone in the world from a browser tab (suparelay.app)
15. Show HN: SDF Studio β Create 2D SDF scenes, compile to GLSL (linkdd.github.io)
16. Show HN: Volum β An open-source visual library for 3D model files (volum.didac.dev)
Search every model, inspect real 3D geometry, preserve multi-plate 3MF projects, and open files in your slicerβwithout uploading your library.
17. Show HN: Rig β Open-source cloud desktops for AI agents (github.com)
Open-source cloud desktops for AI agents. Each agent gets a Linux desktop with a dev server, tests and a signed-in Chrome that pauses when idle, so your laptop stays fast. - ShadowWalker2014/rig
18. Show HN: Headwire β WireGuard with NAT traversal via Tailscale's magicsock (github.com)
WireGuard meshes with NAT traversal and DERP relay fallback. - brofranks/headwire
20. Show HN: Trify3D β Compare AI 3D engines on one input and keep the best mesh (trify3d.com)
Turn images and text into 3D models β run Tripo3D, Meshy, and Rodin side by side. Export GLB/glTF/OBJ/STL. Start free.
21. Show HN: Wl-pick β a live window picker for Sway (mil.ad)
Iβve had a keyboard-driven window switcher in my window manager for a long time. It started as a shell script piping i3βs window list into dmenu, and over the years I tweaked it slightly as I moved to Sway/Wayland and rofi.
22. Show HN: ChaosTree β Cache-Aware Java NavigableMap and NavigableSet Library (github.com)
Zero-dependency Java sorted Set and Map library featuring binary and N-ary tree families, JMH benchmarks, and hardware-counter-backed performance analysis. - Chaos-vy/ChaosTree