Show - HN Paper

Show HN: Open-source Perplexity clone one file back end, streaming answers

Show HN: Constellate – Finding patterns by reasoning about groups, not pairs

Show HN: A native Rust TUI for Claude Code, because Ink got slow

Show HN: Metamorphic – Zero-knowledge, end-to-end encrypted habit tracker

Show HN: MemPalace Agent that sits in front of any LLM endpoint and gives memory

Show HN: Modulo – A daily spatial reasoning puzzle

Show HN: Chitragupta - Kafka Identity and topic level cost attribution

Show HN: Stage – Putting humans back in control of code review

Show HN: Shader Lab, like Photoshop but for shaders

Show HN: Xata, open-source Postgres platform with copy-on-write branches

Show HN: Blades CSS – Framework-agnostic, class-light CSS⁺ kit inspired by Pico

Show HN: Mulligan Labs – multiplayer Magic: The Gathering in the browser

Show HN: Health billing agent denies claims in 1.2s, offices should know why

Show HN: RetrieveIT – Semantic Search Across Gmail, Confluence, GitHub, etc.

Show HN: We beat Google, Cognition, Claude Code at codebase docs generation

Show HN: Arrow. Point your phone, walk where it says, find out where

Show HN: A tool for automatically grading/sorting astrophotography FITS frames

Show HN: AriaType v0.3 Has Come – Fast and Private Voice to Text Input Client

Show HN: Marky – A lightweight Markdown viewer for agentic coding

Show HN: Stack – the control plane for AI agents

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