Show HN: Open Source 'Conductor + Ghostty'

Show HN: Time Keep – Location timezones, timers, alarms, countdowns in one place

Show HN: New Causal Impact Library

Show HN: jid – JSON Incremental Digger v1.1.0 with JMESPath support

Show HN: DuckDB community extension for prefiltered HNSW using ACORN-1

Show HN: Threadprocs – executables sharing one address space (0-copy pointers)

Show HN: I built a tool that checks if your ISP is spying on you

Okapi, or “What if ripgrep Could Edit?”

Show HN: Baltic shadow fleet tracker – live AIS, cable proximity alerts

Show HN: Learn Arabic with spaced repetition and comprehensible input

Show HN: Sub-millisecond VM sandboxes using CoW memory forking

Show HN: WhyThere.life – Compare cities side-by-side to decide where to move

Show HN: Red Grid Link – peer-to-peer team tracking over Bluetooth, no servers

Show HN: We built a terminal-only Bluesky / AT Proto client written in Fortran

Show HN: Forkrun – NUMA-aware shell parallelizer (50×–400× faster than parallel)

Show HN: Skub – a sliding puzzle browser game

Show HN: AgentArmor – open-source 8-layer security framework for AI agents

Read Receipts: An iMessage Simulator

Show HN: Atomic – Self-hosted, semantically-connected personal knowledge base

Show HN: Yoink – Spotify to lossless with full metadata, self-hostable, ad-free

Show HN: Loreline, narrative language transpiled via Haxe: C++/C#/JS/Java/Py/Lua

Show HN: A list of websites and directories where you can promote your projects

Show HN: The Lottery of Life

Show HN: Veil – Dark mode PDFs without destroying images, runs in the browser

Show HN: Codala, a social network built on scanning barcodes

Show HN: I put an AI agent on a $7/month VPS with IRC as its transport layer

Show HN: Gemini can now natively embed video, so I built sub-second video search

Show HN: fftool – A Terminal UI for FFmpeg – Shows Command Before It Runs

Show HN: I built a real-time OSINT dashboard pulling 15 live global feeds

Show HN: FPGA soft-core of the Saab Viggen's 1963 airborne computer

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