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Show HN: Recursive Reasoning with Tiny Networks in the Browser

Show HN: Hacker News as a biological simulation (with time travel)

Show HN: Searchable compression for JSON (p50≈0.18 ms; 10-min demo)

Show HN: Appcockpit – Version and Maintenance Control for Native Apps

Show HN: Recall: Give Claude memory with Redis-backed persistent context

Show HN: Polyglot Web Assembler done using AI

Show HN: Speak to AI – offline speech-to-text for Linux (alternative to Dragon)

Show HN: Todout – a local-first todo outliner

Show HN: I'm building an open-source online activity aggregator

Show HN: Step-by-step instructions to build your first ChatGPT Apps SDK app

Show HN: Spacelift Intent MCP – Cloud Infra Provisioning for Your AI Agent

Show HN: Build a back end in VS Code using Snapser MCP Server [video]

Show HN: MovePlay – An app that gets kids moving

Show HN: CodeLens.AI– Community benchmark comparing 6 LLMs on real code tasks

Show HN: QGen – turn documents into AI-ready Q&A datasets(SaaS and on-prem)

Show HN: Baby's first international landline

Show HN: AI code reviewer that analyzes cross-module impacts

Show HN: Mirrow – Build SVGs with TypeScript, get syntax checking for free

Show HN: On-Device TTS with Synchronized Text Highlighting in the Browser

Show HN: ChartPilot – Momentum scanner for stocks, ETFs