Show HN: B-IR – An LLM-optimized programming language

Show HN: 1Code – Open-source Cursor-like UI for Claude Code

Show HN: Commander AI – Mac UI for Claude Code

Show HN: mdto.page – Turn Markdown into a shareable webpage instantly

Show HN: pgwire-replication - pure rust client for Postgres CDC

Show HN: Hc: an agentless, multi-tenant shell history sink

Show HN: TinyCity – A tiny city SIM for MicroPython (Thumby micro console)

Show HN: BGP Scout – BGP Network Browser

Show HN: Gambit, an open-source agent harness for building reliable AI agents

Show HN: Reversing YouTube’s “Most Replayed” Graph

Show HN: I built a text-based business simulator to replace video courses

Show HN: OpenWork – An open-source alternative to Claude Cowork

Show HN: Kerns – A Workspace for Deep, Ongoing Research

Show HN: Sparrow-1 – Audio-native model for human-level turn-taking without ASR

Show HN: Contribute to GitHub Anonymously

Show HN: Webctl – Browser automation for agents based on CLI instead of MCP

Show HN: Routing with OSM, PgRouting and MapLibre

Show HN: CC TV remote plugin, pauses your binge-watching when Claude goes idle

Show HN: Web PWA unifying translate/FSRS Anki/conjugations

Show HN: Fluent, a tiny lang for differentiable tensors and reactive programming

Show HN: Claude Code plugin for ecommerce development

Show HN: SkillRisk – Free security analyzer for AI agent skills

Show HN: The Hessian of tall-skinny networks is easy to invert

Show HN: Tusk Drift – Turn production traffic into API tests

Show HN: Claude Quest – Pixel-art visualization for Claude Code sessions

Show HN: Tiny FOSS Compass and Navigation App (<2MB)

Show HN: pubz: easy, conventional NPM publishing

Show HN: Flag AI Slop in PRs

Show HN: HyTags – HTML as a Programming Language

Show HN: A 10KiB kernel for cloud apps

Show HN: ContextFort – Visibility and controls for browser agents

Show HN: Munimet.ro – ML-based status page for the local subways in SF

Show HN: An iOS budget app I've been maintaining since 2011

Show HN: Nogic – VS Code extension that visualizes your codebase as a graph

Show HN: Xoscript

Show HN: OSS AI agent that indexes and searches the Epstein files

Show HN: 1D-Pong Game at 39C3

Show HN: The Tsonic Programming Language

Show HN: Free AI Image Upscaler (100% local, private, and free)

Show HN: Digital Carrot – Block social media with programmable rules and goals

Show HN: Voice Composer – Browser-based pitch detection to MIDI/strudel/tidal

Show HN: A fast CLI and MCP server for managing Lambda cloud GPU instances

Show HN: GitHub – Burn – Rust tensor library and deep learning framework

Show HN: SnackBase – Open-source, GxP-compliant back end for Python teams

Show HN: Agent-of-empires: OpenCode and Claude Code session manager

Show HN: Nori CLI, a better interface for Claude Code (no flicker)

Show HN: Cachekit – High performance caching policies library in Rust

Show HN: Control Claude permissions using a cloud-based decision table UI

Show HN: I spent 10k hours building the perfect language learning app

Show HN: The viral speed read at 900wpm app

Show HN: AsciiSketch a free browser-based ASCII art and diagram editor

Show HN: Self-host Reddit – 2.38B posts, works offline, yours forever

Show HN: Fall asleep by watching JavaScript load

Show HN: Beni AI – Real-time face-to-face AI companion

Show HN: AI in SolidWorks

Show HN: An open-source form builder that outputs tailwind components

Show HN: Ayder – HTTP-native durable event log written in C (curl as client)

Show HN: Ghostty Ambient – Terminal theme switcher that learns your preferences

Show HN: Harmony – AI notetaker for Discord

Show HN: Yolobox – Run AI coding agents with full sudo without nuking home dir

Show HN: A kids' math app without dark patterns

Show HN: GoGen – A simple template-based file generator written in Go

Show HN: Microwave – Native iOS app for videos on ATproto

Show HN: FastScheduler – Decorator-first Python task scheduler, async support

Show HN: Seapie – a Python debugger where breakpoints drop into a REPL

Show HN: I built an 11MB offline PDF editor because mobile Acrobat is 500MB

Show HN: Customizable OSINT dashboard to monitor the situation

Show HN: Pane – An agent that edits spreadsheets

Show HN: Cache Explorer – The Compiler Explorer for CPU Cache Behavior

Show HN: Keypost – Policy enforcement for MCP pipelines

Show HN: I'm building an open-source AI agent runtime using Firecracker microVMs

Show HN: Gpu.st – Instant GPU Instances over SSH

Show HN: Skillshare – Sync skills across AI CLI tools

Show HN: Why Neural Networks Need He Init, Clipping, and Momentum

Show HN: Stash: End-to-end encrypted file sharing with zero friction

Show HN: A simple PS1 memory card editor

Show HN: Ferrite – Markdown editor in Rust with native Mermaid diagram rendering

Show HN: I built a game on my old phone without knowing what I was building

Show HN: Matriq – Search inside video files using natural language

Show HN: Flour Hour – I built a bread baking app with Claude Code in 3 hours

Show HN: Flashlight: Android app that lets you control torch brightness

Show HN: Commosta – marketplace to share computing resources

Show HN: IMSAI/Altair inspired microcomputer with web emulator

Show HN: Chklst – A Minimalist Checklist

Show HN: Beni AI – video call with your AI companion

Show HN: Interactive California Budget (by Claude Code)

Show HN: VAM Seek – 2D video navigation grid, 15KB, zero server load

Show HN: I built a semantic search engine for video ("Ctrl+F" for mp4s)

Show HN: Geoguess Lite – open-source, subscription free GeoGuessr alternative

Show HN: Chr2 – consensus for side effects (exactly-once is a lie)

Show HN: Distribute AI agent test runs across your spare machines via `rr`

Show HN: quick-sync. TikTok-esque video switch using WebRTC

Show HN: Claude Code Scheduler

Show HN: Top Four – a directory of /top4 pages