Show HN: NUPA is Pax Economica, 6,480x more stable than current US economy NUPA: private post-scarcity OS using BLM land leases + contract law. 100M Monte Carlo runs show 99.999999% survival, 6,480x more resilient than US GDP under systemic noise. F…

Show HN: VizTools – 16 free tools for PMs and freelancers, deliberately no AI I've been building AI products for a while. For this one I made a deliberate choice: none of the 16 tools use AI. Meeting cost calculators, freelance rate calculators,…

Show HN: HTML Viewer with Bidirectional Highlighting (Code ↔ Highlight Element) https://html-viewer.org March 27, 2026 at 03:36AM

Show HN: Superfast – Cognitive Memory Graphs for Enterprise AI Agents Superfast is an evolution of the Superpowers agent framework, now integrated with FastMemory—a concurrent Rust engine that maps unstructured text into a CBFDAE (Component, Block, …

Show HN: I built a selfhosted Wanderlog alternative with real-time collaboration I built this because I never really liked the existing travel planners. Most of them are closed or just don’t work that well when you’re planning a trip together with o…

Show HN: Hooky – A lightweight HTTP webhook server written in Go I built a lightweight HTTP webhook server written in Go. You can use it to trigger scripts from HTTP requests. It has built-in secret validation, rate limiting, and configurable execut…

Show HN: JSON-to-PDF e-book generator for CJK content, built with Claude Code https://ift.tt/sfDdeHl March 25, 2026 at 04:42AM

Show HN: CI/CD in your terminal, zero YAML We're two engineers that got fed up with context switching. Why do we need to do a git push, open a browser tab, wait for some task to actually start, bite nails (or read HackerNews) for 10 minutes or m…

Show HN: PSFuturemail – Write a letter and forget it until it arrives I wanted a way to write letters to my future self and actually forget about them until they arrive. Existing options didn't quite work for me. While Gmail lets you schedule em…

Show HN: Danube – AI Tools Marketplace Hey HN, I built Danube, a marketplace where AI agents can discover and execute tools, and where developers can publish and monetize them. I got tired of two things: giving my API keys directly to agents like Op…