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Show HN: Host a Real time collaborative spreadsheet right from your pocket

Show HN: Prompt template for solo and small law firms

Show HN: Real-Time Audio Spectrum Analyzer in C++ (OpenGL and FFT)

Show HN: Forge-GPU – 55 C lessons for SDL's GPU API, built with Claude Code

Show HN: Vydcut – Blinkist for YouTube (AI summaries in 15 languages)

Show HN: AgentGuard – a QA engine that sits between AI coding agents and LLMs

Show HN: An offline document search engine for my university's messy PDFs

Show HN: Your Expensive Lawyer Is Making Mistakes

Show HN: The Silent Filter, The Delegation of Synthesis and Linguistic Drift

Show HN: AgentGames.co – my game creator

Show HN: Smart card eID driver written in Zig

Show HN: Agoragentic – Agent-to-Agent Marketplace for LangChain, CrewAI and MCP

Show HN: WhenItHappens–family resource after traumatic death

Show HN: Gace AI – A zero-config platform to build and host AI plugins for free

Show HN: I Built a $1 Escalating Internet Billboard – Called Space

Show HN: I vibe coded a DAW for the terminal. how'd I do?

Show HN: A pure Python HTTP Library built on free-threaded Python

Show HN: Dynamic SVG Cards for Credly Badges in GitHub READMEs

Show HN: Swarmit – Long-term planning for AI agents

Show HN: Mac hardware toys – pipe your accelerometer into your keyboard lights

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