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Show HN: Realtime Multiplayer Middleware for Zustand

Show HN: Interactive news headline generator compatible with i3/sway

Show HN: A canvas to explore AI image models (open-source, BYOK)

Show HN: MCP Server Installation Instructions Generator

Show HN: Daffodil – Open-Source Ecommerce Framework to connect to any platform

Show HN: Deploy Realistic Personas to Run Conversations in Minutes

Show HN: Flowshapr – Open-Source Agent Flow GUI and Manager

Show HN: Claude Control – open-source background agents for Claude Code

Show HN: Witness – Capture signed photos/videos with embedded proof-of-origin

Show HN: Semlib – Semantic Data Processing

Show HN: Magicnode – Open-source AI app builder (like Canva for AI apps)

Show HN: I vibe-coded an app that roasts your pricing page (in beta)

Show HN: Wordspike–AI spikes from any YouTube video (multilang, Kindle export)

Show HN: I built LLM Quotes to collect and share funny/weird LLM outputs

Show HN: Downtube – Fast, Cross-Platform YouTube Downloader (CLI)

Show HN: Open-source business management tool for small business

Show HN: I tried learning Angular, ended up making a Parcel Locker Simulator

Show HN: I built a tool to help me kill dev ports

Show HN: A browser extension to curb bad habits using the 20-second rule

Show HN: Demochain, a toy blockchain network that runs on the browser