Show HN: Deff – side-by-side Git diff review in your terminal

Show HN: Hacker Smacker – spot great (and terrible) HN commenters at a glance

Show HN: Terminal Phone – E2EE Walkie Talkie from the Command Line

Show HN: Linex – A daily challenge: placing pieces on a board that fights back

Show HN: Rev-dep – 20x faster knip.dev alternative build in Go

Show HN: Usplus.ai – Build a company of AI agents and execute work autonomously

Show HN: Beehive – Multi-Workspace Agent Orchestrator

Show HN: Mission Control – Open-source task management for AI agents

Show HN: Respectify – A comment moderator that teaches people to argue better

Show HN: Transcribe-Critic – Merge transcript sources for stronger transcript

Show HN: I stopped building apps for people. Now I make CLI tools for agents

Show HN: Modern Reimplementation of the Speck Molecule Renderer

Show HN: Decoy – A native Mac app for mocking HTTP endpoints locally

Show HN: Smplogs – Local-first AWS Cloudwatch log analyzer via WASM

Show HN: I built a local AI-powered Ouija board with a fine-tuned 3B model

Show HN: Protection Against Zero-Day Cyber Attacks

Show HN: A real-time strategy game that AI agents can play

Show HN: Browser-based .NET IDE with visual designer, NuGet packages, code share

Show HN: Batchling – save 50% off any GenAI requests in two lines of code

Show HN: The best agent orchestrator is a 500-line Markdown file

Show HN: Conjure – 3D printed objects from text description only

Show HN: I built a managed Claude AI and hosting service

Show HN: I made a directory for Claude skills

Show HN: Duck Talk – Real-time voice interface to talk to your Claude Code

Show HN: I ported Tree-sitter to Go

Show HN: Clocksimulator.com – A minimalist, distraction-free analog clock

Show HN: Relay – SMS API for developers (send your first text in 2 min)

Show HN: A minimal Claude Code clone written in Rust

Show HN: SAIA – SCUMM for AI Agents

Show HN: Librarian – Cut token costs by up to 85% for LangGraph and OpenClaw