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Show HN: Desktop conversation practice tool for serious language learners

Show HN: Developer Experience Newsletter

Show HN: ProjectOS – An AI operating system for truth and control

Show HN: I got tired of writing release notes so I built a bot with Claude

Show HN: CUDA Farm – 65 physics endpoints that can't hallucinate

Show HN: Libre Closet – self-hosted wardrobe organizer (single Docker run)

Show HN: Oncourse AI – Personal AI Study Mate for Med Students

Show HN: Runnable MCP agent attacks – DNS rebinding, rug pull, and mitigations

Show HN: StudioIndex – A directory to find AI video production studios

Show HN: PluriSnake, a new kind of snake puzzle game [iOS/iPadOS/macOS]

Show HN: Python DSL for system programming with manual memory and linear types

Show HN: Glad-AI-Tor – A public arena where startups get roasted or crowned

Show HN: Friendware – Tab-to-complete everywhere on macOS

Show HN: A graph of story fragments shaped by reader votes

Show HN: Axe – A 12MB binary that replaces your AI framework

Show HN: I built proxy that keeps RAG working while hiding PII

Show HN: We wrote a custom microkernel for XR because Android felt too bloated

Show HN: Rudel – Claude Code Session Analytics

Show HN: DollarDeploy AI, agent to deploy your web apps to production

Show HN: Atomic Commit – MCP and Claude plugin for structured Git workflows

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