Show - HN Paper

Show HN: TryPost – open-source Social Media Scheduler

Show HN: GoogleCalendar Sidebar with multi-auth and 2way sync – Obsidian Plugin

Show HN: StartPageHQ – turn the browser new tab into a dashboard

Show HN: I made Pokémon but with real animals in the real world

Show HN: AWO – Run Claude and Codex in isolated Git worktrees

Show HN: Tussup.com – TikTok for Debates

Show HN: HypeCheck – I built a tool that fact-checks supplement marketing

Show HN: Aquifer – a control plane for agentic API traffic

Show HN: Hypergraph – directed hypergraph library in Rust (40 graph algorithms)

Show HN: YourMemory, persistent memory layer with temporal reasoning for agents

Show HN: CloudPostOffice – Send messages between apps and agents in 4 lines

Show HN: UUTA – A Quiet Practice Journal for iPhone and iPad

Show HN: API cost calculator – compare 28 models across 7 providers, no signup

Show HN: Cursed Browser – a VLM reads the HTML and hallucinates the page

Show HN: Linear Chess – Normal Chess, on a 1D board

Show HN: Browser-based Glider Sim

Show HN: A web to see nearby TFL trains

Show HN: Impatience – measure event latency on peers using synchronised clocks

Show HN: Musts – Open-source validation loops for AI coding agents

Show HN: Feynman AI research Assistant plugin for Obsidian

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