Show - HN Paper

Show HN: Open-source digital business card generator

Show HN: Claude-codex-proxy – Use Claude Code with ChatGPT subscription

Show HN: Donbar – Email marketing made dead-simple

Show HN: Proposly – AI-generated client proposals for freelancers

Show HN: OpenClawdex – Open-Source Orchestrator UI for Claude Code and Codex

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

Show HN: Vitality AI Health – blood work, wearables, and DNA unified

Show HN: Using Ramanujan's Pi Series for Bitcoin Security on Nvidia B200

Show HN: Open-source CAD in the browser (DXF-native, no install)

Show HN: Rigor – Anti-Enshittification Proxy for Your AI Agents

Show HN: Claude Code Rust – a native Rust TUI that avoids the V8 heap OOM

Show HN: AI Primer – A Searchable AI Changelog for AI Engineers and Creatives

Show HN: Unclog – find and fix Claude Code context bloat

Show HN: FFmpeg API Cloud – Run FFmpeg over HTTP

Show HN: SharpSkill – I simplified the process of ITWs preparation

Show HN: Understand Anything – Graphs that teach > graphs that impress

Show HN: Browser Sysinfo – See everything a webpage can learn about you

Show HN: Backlit Keyboard API for Python

Show HN: Make Video from Photo for Free

Show HN: Yojam – Route links to the right browser/profile, strip trackers first

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