Show HN: Real-time 4D Julia set navigation via gamepad

Show HN: Unflip – a puzzle game about XOR patterns of squares

Show HN: High-Performance .NET Bindings for the Vello Sparse Strips CPU Renderer

Show HN: Tiny Diffusion – A character-level text diffusion model from scratch

Show HN: ChronoGuard–Zero-trust proxy for browser automation with temporal ctrls

Show HN: Smooth window arrangement in macOS restored

Show HN: Encore – Type-safe back end framework that generates infra from code

Show HN: DBOS Java – Postgres-Backed Durable Workflows

Show HN: SelenAI – Terminal AI pair-programmer with sandboxed Lua tools

Show HN: Epstein Files Organized and Searchable

Show HN: Chirp – Local Windows dictation with ParakeetV3 no executable required

Show HN: Cj–tiny no-deps JIT in C for x86-64 and ARM64

Show HN: Pdsink – A new USB-PD 3.2 sink stack for embedded devices

Show HN: Socratic, a knowledge-base builder for agents where YOU stay in control

Show HN: ZenPaint, a pixel-perfect MacPaint recreation for the browser

Show HN: AI Domain Data Standard – Self-Hosted, DNS-Based Identity for AI

Show HN: UnisonDB – B+Tree DB with sub-second replication to 100+ nodes

Show HN: An easy-to-use online curve fitting tool

Show HN: An Apache Beam batch processing clone in Rust

Show HN: Dumbass Business Ideas

Show HN: DeepClause – A Neurosymbolic AI System Built on WASM and Prolog

Show HN: I built IncidentPulse after getting paged at 3 AM

Show HN: RAG-chunk – A CLI to test RAG chunking strategies

Show HN: Cactoide – Federated RSVP Platform

Show HN: Gerbil – an open source desktop app for running LLMs locally

Show HN: spymux – Spy on your tmux panes

Show HN: What if MCP agents were JIT compiled to code?

Show HN: European tech news in 6 languages

Show HN: Tusk Drift – Open-source tool for automating API tests

Show HN: What Is Hacker News Working On?

Show HN: Data Formulator – interactive AI agents for data analysis (Microsoft)

Show HN: Wikidive – AI guided deep diving into Wikipedia

Show HN: Hephaestus – Autonomous Multi-Agent Orchestration Framework

Show HN: I made a simple time card calculator

Show HN: OpEx, an agentic LLM toolkit for Elixir

Show HN: Gametje – A casual online gaming platform

Show HN: SkillGraph – Open-source agentic framework with skills instead of tools

Show HN: I made an open-source Rust program for memory-efficient genomics

Show HN: Venturu – Zillow for the market of local businesses

Show HN: I scraped 3B Goodreads reviews to train a better recommendation model

Show HN: Ouverture.py – Content-addressed storage for multilingual functions

Show HN: I built a platform where audiences fund debates between public thinkers

Show HN: Bubble Lab – Code-based agentic workflow platform (open-source)

Show HN: Free, dead simple trust center

Show HN: qqqa – A fast, stateless LLM-powered assistant for your shell

Show HN: Sparktype – a CMS and SSG that runs entirely in the browser

Show HN: I Built the Anti-Social Network (and Social Media Billionaires Hate It)

Show HN: See chords as flags – Visual harmony of top composers on musescore

Show HN: Pegma, an open-source version of the classic Peg solitaire

Show HN: Creavi Macropad – Built a wireless macropad with a display

Show HN: TalkiTo – enabling voice and Slack for Claude Code and Codex CLI

Show HN: AI Bubble Monitor

Show HN: Fun, Open-source Japanese learning Platform inspired by Monkeytype

Show HN: Find matching acrylic paints for any HEX color

Show HN: DroidDock – A sleek macOS app for browsing Android device files via ADB

Show HN: Agent Playbook – An open-source Storybook-like playground for AI agents

Show HN: Davia – Open source visual, editable wiki from your codebase

Show HN: Dynamic code and feedback walkthroughs with your coding Agent in VSCode

Show HN: PingStalker – A macOS tool for network engineers

Show HN: Strange Attractors

Show HN: I built an HTTP client that perfectly mimics Chrome 142

Show HN: A CSS-Only Terrain Generator

Show HN: SpeedyShare – Cross-platform file sharing with no accounts or tracking

Show HN: Treasury – The personal finance app built for you (public beta)

Show HN: A free Instagram story viewer that lets you watch anonymously

Show HN: V0 for Svelte (svelte0), a Svelte UI generator

Show HN: Made MadLibs-style game to play with my kids

Show HN: YaraDB – Lightweight open-source document database built with FastAPI

Show HN: Invisitris a Tetris-like game, where the placed pieces become invisible

Show HN: TabPFN-2.5 – SOTA foundation model for tabular data

Show HN: ChatExport Structurer – parse ChatGPT/Claude exports into queryable SQL

Show HN: ShellDash – Browser server dashboard with SSH and globe monitoring

Show HN: LLM fine-tuning without infra or ML expertise (early access)

Show HN: Agent-to-code JIT compiler for Z3-theorem-proving agents

Show HN: What Can Happen When You Code While Overtired

Show HN: Open-Source LaTeX OCR, Alternative to Mathpix/SimpleTex

Show HN: Flutter_compositions: Vue-inspired reactive building blocks for Flutter

Show HN: I built a synth for my daughter

Show HN: Trilogy Studio, open-source browser-based SQL editor and visualizer

Show HN: Reversing a Cinema Camera's Peripherals Port

Show HN: Shadowfax AI – an agentic workhorse to 10x data analysts productivity

Show HN: DeltaGlider – Store 4TB of build artifacts in 5GB

Show HN: US Publicly Traded Companies probabilities of default with public data