My public second brain – 660 notes, 15 years, open source (www.ssp.sh)
Framer Theme Toggle Component for Light and Dark Mode (pixcodrops.com)
Kota – Bring AI agent CLIs into the same room (www.kota.place)
Build SaaS Applications Without Writing Back End Code [video] (www.youtube.com)
[Target: Humanity] An experimental alternate reality game (targethumanity.com)
An interactive in-browser tutorial for MarkoJS V6 with solvable lessons (markojs-tutorial.netlify.app)
Social Hiking App (losttrail.app)
Mapping Jensen Huang''s five-layer AI stack to engineering degrees (ai-five-layer-map.pages.dev)
EvoChess – start with 8 pawns, evolve your army (penkovsky.github.io)
Growth-Ratio Energy Function as Leading Indicator of Agent Task Failure (vishalvermalabs.com)
Offline and Private AI Girlfriend (play.google.com)
YouTube Videos Matched to Duolingo Units (lingolingo.app)
Social Network – News Based Social Discussion (qocial.com)
Vice Signalling – A narrative game about infiltrating a secret society (store.steampowered.com)
Atomadic – Zero-LLM Sub-200us MCP Action Interlock (atomadic.tech)
MCP Emails – An MCP Server for Gmail and IMAP/SMTP Inboxes (github.com)
LLM Tools that I made that I cant live without (news.ycombinator.com)
NixOS-DGX-Spark – Nix and NixOS on the DGX Spark (github.com)
Schmess – chess with no turns; pieces freeze on cooldown after moving (schmess.com)
TFStudio – open-source design and optimization for optical thin films (github.com)
Kakehashi – Experimental userspace to run macOS binaries on Linux ARM (github.com)
Sprocket – The Best AI Agent for Hardware and Software Development (sprocket-demo.spikonado.com)
Rextio – Compile Python code natively using Rust with CPython fallbacks (github.com)
Adept – convert any YouTube playlist into a Udemy-like course (withadept.com)
Replaybook, an Infrastructure Agent Evaluation Framework (github.com)
I spent 2.5 years developing my 3D portfolio website, all under 5 MB (shees.dev)
Interactive Heatsink Area Calculator by Geometric Profile (specled.com)
A fixed harness for comparing LLM agent memory systems (github.com)
DFAH-Bench – same agent decision, different tool paths (github.com)
Turn a Nintendo Joy-Con into a Codex Micro Alternative (github.com)
NoDiff, a framework that lives in your monorepo (github.com)
A mod for Grand Prix Circuit (DSI/Accolade, 1988) (marnetto.net)
MCP server so AI agents can screen markets in plain English (github.com)
Rails Agent – Build Autonomous AI Agents Natively in Ruby on Rails (rails-agent.com)
CC Meter, a Windows Tray Gauge for Claude Code and Codex Limits (github.com)
Commonplace Wiki – A Confluence Alternative Based on Git and OKF (github.com)
Email client TUI with messenger-like layout UI (gitlab.com)
Sagrada – a linter for instruction files'' belief state (cruxia.dev)
Claude Code takes forever, so I filled the waiting with Pokémon (github.com)
Crest, a MacBook notch control room that answers Claude Code prompts (crestnotch.app)
Maverik – Benchmark, compare and cost-predict your MCP agents (github.com)
Passepartout – Create beautiful photo collages (joexo.codeberg.page)
iOS Style Bottom Sheet in Vanilla JavaScript (www.cssscript.com)
Cordial — Roblox on Linux, Fully Open source, Yours (github.com)
How I learn and review jargon of different fields nowadays (jargon-gym.vercel.app)
Loop-me – my simple generative art loop project (john-paul-ruf.github.io)
DesktopAudio, a tool to record what your Mac plays (desktopaudio.app)
Handoff is await human() for AI agents (github.com)
Type a formula, watch it become Clique, Hamiltonian Cycle, and Knapsack (aidoctrine.github.io)
LyricVibe – synced lyrics for YouTube Music, Spotify, SoundCloud (chromewebstore.google.com)
Fuse – statically typed functional programming language (fuselang.org)
SHOW HN: Substantial update to UK train mapping (trainmap.co.uk)
Katharos Functional programming and CSP-style concurrency for Python (github.com)
CaLLMar – play a text-based adventure game in an LLM chat (github.com)
Documan – AI Powered Requirement Management Workspace (github.com)
We made Arcad, a parametric CAD in the browser, free and no signup (app.arcad.studio)
Syncular – offline-first SQL sync with TypeScript and Rust cores (github.com)
Vein, a minimalist open-source resource management game (d2ykijtrvb890q.cloudfront.net)
Bor – Open-source policy management for Linux desktops (getbor.dev)
Aevros .... A kernel that explains itself (github.com)
I built a personal CRM that lives inside Apple''s Contacts app (www.persodex.com)
TamedTable, AI ETL in Natural Language (www.tamedtable.com)
Tone Generator (soundtonegenerator.com)
Galda – Come back to Claude Code/Codex without digging through Git (galda.app)
An SDK to build apps for Kobo eReaders (github.com)
Btfy – a blockchain that uses weather observations (github.com)
Run multiple Claude desktop accounts in isolated windows (Mac/Windows) (deckspace.dev)
Rotating torus in terminal (but with kitty graphics protocol) (andreadimatteo.com)
I don''t code – I run a self-correcting protocol across 4 projects (github.com)
Nuking the crap Claude left in the codebase – CCN (github.com)
CleanSlate – an open-source coding agent for the IDE, CLI, and SDK (github.com)
Firstemployee.ai – Start a Business (firstemployee.ai)
I''m a 15 Year Old Wannabe Engineer, This Is a Cycloidal Gearbox I Built (github.com)
CostPerPrompt – Live AI API pricing and real-workload cost calculators (costperprompt.com)
I made 70K hand-drawn icons using AI (koboyo.com)
PhaseProbe – Find simulation transitions and turn them into tests (github.com)
Symbio self fine-tuning AI loop (github.com)
Wage Against the Machine – MacWages Index for AI Tasks (watm.ddyo.dev)
Optimize circadian rhythms by using iPhone as a light meter (www.impulsearc.com)
Understanding the ReMarkable Coordinate System (scrybble.ink)
I built a free Open Graph image designer (mosaicora.io)
Pronto – real‑time wire for AI agents (70k feeds connected) (pronto.stream)
Created a Drink Journal App, Drinqly (drinqly.io)
Evidence-to-Skill – a gate between untrusted sources and agent skills (github.com)
Copy any website pixel perfect (github.com)
Check technical fit for B2B prospects without questionnaires (tryscoped.com)
A Google Reader like discovery engine for long-form blogs (boredreading.com)
Lumaris – AI biotech intelligence briefs (sample: EGFR resistance) (lumaris.nanocorp.app)
I made a music player inspired by late 90s peer-to-peer sharing (jdanwire.jordanscales.com)
Search Statistics Like an Absolute Psychopath (number.weyland.enterprises)
Voris: privacy-first analytics for the AI-influenced web (voris.ai)
Crew, a local collaborative (people and agents) IDE (github.com)
Open OneNote Viewer in Rust (github.com)
Unified API for wearable and health data at 1/25th of Terra''s price (stridee.fit)
Show HN AI Data Center Alert (aidatacenterimpact.com)
Cockpit for you Claude Code agents in Rust (episko.dev)
BugDetect AI – AI-powered code debugging assistant (bugdetectai.com)
Cross-platform AirDrop replacement but over internet using Iroh (github.com)
Bribes.fyi - Update on Know before you go feature (bribes.fyi)
OpenLongevity – Longevity AI – open, verifiable, for everyone (github.com)
MakerStack: a pay-once maker page (SSR, OG images, custom domains) (makerstack.altuzar.dev)
AllMCPs – Directory of MCP Servers (allmcps.com)
Agentmetry – local-first flight recorder for AI coding agents (agentmetry.ai)
An AI radio station that draws a live comic of its hosts'' thoughts (hiveweaver.fm)
Goulash – heckler/helper to local-LLM your shell as little as possible (github.com)
An MCP server that knows what that error message means (errors.standardbeagle.com)
BillDesk – Offline invoicing for freelancers (Windows and Mac) (getbilldesk.vercel.app)
Netmnt 0.2.0 (github.com)
DSCode – Coding Agent Powered by DeepSeek (dscode.ai)
Rad – A New Relational Database (www.radengine.dev)
WordJS – Open-source CMS where plugins run in OS sandboxes (github.com)
CSP Validator and Generator (dmarcguard.io)
Aurora – AI Gateway built in Go (github.com)
TUFHub – Autosync TakeUForward DSA Solutions to GitHub Accepted Verdict (github.com)
Wienerdog – memory and self-improving skills for Claude Code/Codex (github.com)
Reimagine place photos with Nano Banana (aigoogleearth.app)
Job board and MCP server for AI developers (frontierroles.com)
Warpgate 0.27 (FOSS Teleport alternative) adds RDP/VNC support (warpgate.null.page)
Agent Architect Skill for building agentic systems (github.com)
Minimal LLM Post-Training Experiments on an 8GB GPU (SFT, DPO, GRPO) (github.com)
Heartbeats.dorianmarie.com (heartbeats.dorianmarie.com)
Free AI Prompt Gen – A local-first, open-source prompt engineering tool (freeaipromptgen.com)
I''m tracking TikTok music charts across countries over time (trendingtiktoksongs.com)
I built an RPG engine where an LLM narrates the GM, not the rules (polymyth.quest)
MCP inspection for live Avalonia, WPF, WinUI and MAUI apps (github.com)
Weightlift – the missing package manager for downloading model weights (weightlift.dev)
I rewrote my ML web apps to run in-browser and deleted the server (aegishumanai.com)
Horus-runtime – Train your own tiny LLM from scratch (github.com)
utils.foo developer utilities that run client-side without ads (utils.foo)
SendPage – Paste AI-generated HTML, get a link clients can open (sendpageapp.com)
Wisp – a Linux shell with Lua scripting and structured pipelines (github.com)
Habit Dungeon – RPG gamification that helps good habits stick (gamifyhabits.app)
Lightweight, S3-compatible object storage server (vaults3.com)
TikTok Coin Calculator – viewer costs vs. creator earnings (coinvaluecalc.com)
One no-subscriptions online search for all your agent needs (news.ycombinator.com)
Best Books Guide – curated books list with tracking, rating, reviews (bestbooks.guide)
Equivalency Kernel – mapping emotions to recursive system states (github.com)
Open source React Native debugging studio (www.nativescope.dev)
Random OS I made using C (github.com)
I built a Python obfuscator that keeps production traces debuggable (github.com)
Sanitizer – Strip sensitive data from documents locally before an LLM (provexar.ai)
WhisperKeys - Offline macOS dictation, key-by-key (github.com)
SmokeVPN – All-in-One WireGuard VPN Hub – Switch Exits in Realtime (smokevpn.com)
GAI – A Go runtime for typed, tool-using LLM agents (github.com)
Nudge: A desktop productivity pet app (github.com)
I Built a (Country) Geography Guessing Game (www.whatcountryisit.com)
old reddit is back without login with ''shreddit''. (github.com)
Iworked on a new browser for 2 years, today it passed Acid 3 (code.intellios.ai)
Agents that learn and remember. On your machine, under your control (github.com)
Baduz – Action Adventure Game Maker (baduz.com)
Do Skill.md Linters Matter? An Empirical Study (do-skills-md-linter-matter.onrender.com)
Penca – branchable, versioned OLTPOLAP on one open copy of your data (github.com)
Collaborative Docx Editor with MS Word Parity (collab.word-in-web.com)
How to build and self-host a code review agent (www.trytilde.ai)
Brainstorm – a local-first, AI-native OS for knowledge work (getbrainstorm.online)
I built a real-time thermodynamic phase space for cognitive stress (www.academia.edu)
Offline Flock Navigation (trames.karazajac.io)
Claude MIDI Twister – An agent visualizer for a DJ MIDI controller (www.dylanfisher.com)
A bookshelf you can share as a link (digitalshelf.me)
Reading Pacer – A "Struggle Detector" for kids learning to read (readingpacer.com)
I rebuilt my 2008 football/lineup site (news.ycombinator.com)
Sail to Ithaca, a playable Homer’s Odyssey with hidden Easter eggs (sail-to-ithaca.vercel.app)
An Unexpected Computer – Universal computing: echo, ed, test and exec [pdf] (seriot.ch)
Usbatlas – simple CLI utility to see what USBIP devices are attached (github.com)
Schema-backed, Git-based structured state for agentic systems (news.ycombinator.com)
Jacobian – I built tools to help anyone explore and solve conjectures (github.com)
Shellphone, an MCP Extension to Link Claude Chat and Claude Code (www.npmjs.com)
View Old Reddit When Logged Out (github.com)
Chronos, 2 terminal games through 50 years of hacking history (www.chronos-game.com)
RØØT – Offline security workspace for labs, CVEs, and tooling (github.com)
Slope remade in HTML5 to load instantly on any browser, any device (hurtle.site)
The Goal is simple, there should be an actual free editor (sylixide.com)
Doubt – Source-grounded evidence maps for AI research (github.com)
Digital Surface - Never Lose Work (www.digitalsurfacelabs.com)
Neural_tilde – Run neural amplifier captures in Max/MSP (github.com)
I built a local-first planner that puts your task inside calendar event (apps.apple.com)
A local memory of all you have seen, said or heard while you work (github.com)
Shared memory graph for Claude and ChatGPT, over MCP (uml.gpmai.workers.dev)
I built a gallery for my pen plots, algorithmic art, and ESP32 work (adamfuhrer.com)
Squishword, a word game where meaning, not spelling, matters (squishword.com)
A second pair of eyes for electrical schematic review (bvcircuits.com)
Prompt-scrub – local-first PII redaction for LLM prompts and responses (nanocollective.org)
VAX/VMS 5.5 now runs in browser (vax.3dl.network)
GeoEQ, a Python package for civil/geotechnical engineering (github.com)
Axioma – Stream and data compression engine for low-bandwidth links (github.com)
I built a cross-browser extension that controls fingerprinting surfaces (privacything.com)
Spryly – Track outdated dependencies across every repo and registry (spryly.io)
AI Security Breaches, the problems and it''s causes (raylinement.substack.com)
BitBang – turn any machine into a URL (github.com)
A little physical breakout clone (brontosaurusrex.github.io)
I built a tool that reviews any GitHub PR and quizzes you on it (makesensegithub.com)
Active inference world models: From finding a mug to making tea (cpnslab.com)
Tandem – run Claude Code and Codex as one paired session) (github.com)
Run manual QA test cases in a real browser with an AI agent (github.com)
AI Photo Editor No Sign Up – Edit Photos with Prompts (aiphotoeditornosignup.online)
Emacs user are you waiting for mg to get UTF-8? (github.com)
Yet Another Markup Language Engineering Toolkit (github.com)
I Created Canva Alternative (news.ycombinator.com)
A Toy Sound Generator (toy-sound.surge.sh)
A route planner that starts from battery range, not distance (wattaround.eu)
PinFix – Click any UI element and edit its source with Claude Code (github.com)
A notebook for prototyping with your agent (nawc.dev)
Computiles – A Geometric Binary Calculator. Only Correct Results Fit [pdf] (seriot.ch)
We made a full-featured Python HTTP client work inside WASI (niquests.readthedocs.io)
Provenance and decay for AI agent memory (github.com)
macOS PortKiller (github.com)
Show NH: FreqWave EQ – An 8-band parametric audio equalizer for browsers (chromewebstore.google.com)
I built an AI that reads German real estate listings for buyers (immo-lens.com)
Strophae, multi personas chat interface (mtct.github.io)
PinAllWindows – sync pinned apps across Chrome windows (chromewebstore.google.com)
Daymo – calendar app with a new day list layout (daymo.flown.io)
PasteDB – A Feature-Rich Pastebin (pastedb.netlify.app)
Take, a Mac screen recorder that comes out edited (crestnotch.app)
Secure Bearer JWT and JWKS pattern for headless AI agents (MCP #824) (github.com)
Cursor''s Tab, cursor-jump included, inside Neovim (github.com)
MathJump – A math-based running game that requires quick calculations (mathjump.cc)
Ctx traits · Turn your team skills into typed and versioned modules (ctx.company)
Explore different scenarios for making a decision, a future simulation (www.futuraengine.com)
Emem Channel - Signed collaboration between independent AI agents (emem.dev)
Hermes Notes PKB (github.com)
AI Product Opportunity (aiproductopportunity.com)
STE-Code a distillation and adaptation of ASD-STE100 for code (github.com)
Free Etsy Fee and Profit Calculator (thesellermind.com)
In-browser photo inpainting with LaMa and ONNX (wipe.photos)
Dissecting the automation of a newspaper (Claude routine, GitHub Pages) (github.com)
Slaide, open-source Markdown slides AI writes and PowerPoint opens (getslaide.com)
I stopped babysitting my AI agents by pushing them to Telegram (blackflare.dev)
Tempered – Windows optimizer that won''t show a metric it can''t measure (tempered.to)
A Handwritten Blogging Platform (handwritten.blog)
One page personal calendar with hierarchy (news.ycombinator.com)
ZenResume – Free, local-first ATS resume builder with AI import (www.zenresume.online)
Tileroot – save/restore tiling WM layouts (sway, Hyprland, i3) (github.com)
QuizPaste – paste any text or doc, get an instant quiz (quizpaste.com)
Gander, an Android file viewer that asks for no permissions at all (github.com)
What should the GUI for AI agents look like? (marbleos.com)
DMARC.quest SPF/DKIM/DMARC Demystified (www.dmarc.quest)
Prizm – One API key for every top AI video, image and voice model (www.prizmkey.com)
ShowTrust – Testimonials Collection Tool and Widget Embed (showtrust.to)
Eloqra - Live Chat with Telegram integration (eloqra.app)
The fastest JSON parser for Go (github.com)
An AI skill for filtering and reading Hacker Newsletter and others (github.com)
Reclip – AI Video Clipper, Voiceover and Creator Tools (www.reclip.io)
Target: Calamity] A visualization of how long we have to change course (targetcalamity.org)
HereTool – A fast, client-side web utility suite with zero data logging (heretool.com)
ResiliReplay - Chaos testing for AI agents and MCP servers (github.com)
Widen – Open-source Mac Postgres GUI with local or cloud text-to-SQL (widen.dev)
Stash – native Mac Markdown notes (staunchapps.com)
Real Estate Agent Email List – 1.1M US Realtor Contacts (www.usagentleads.com)
A VS Code extension buffers NPM updates to avoid supply chain attacks (marketplace.visualstudio.com)
Great Spectations, the Spec Checker (greatspectations.com)
Sticker Base (chuanqisun.github.io)
Anti-Slop UI – A deterministic state-machine to stop AI hallucinations (local-over.github.io)
Pomi – standalone voice agent running on the Rabbit R1 (github.com)
Nod – a macOS app that acts as working memory for you (hellonod.app)
New App for Meta Display Smart Glasses (apps.apple.com)
Panini – bundle a Gleam app and BEAM into one self-contained binary (github.com)
Interlock – Python circuit breaker tripping on latency, not just errors (github.com)
Logan Basic v2.1 (sinusoft.com)
Loupe – Chrome extension that explains WCAG issues in plain English (getloupe.dev)
Collie – a local AI harness that runs the browser, desktop and code (github.com)
Summarizer.Free – Too Long? Get the TL;DR (summarizer.free)
NMEMORY – a memory for coding agents that says when it doesn''t know (github.com)
WorldDiT – a 399M world-action model for simulated robot tasks (huggingface.co)
TaskView – self-hosted project management for teams (github.com)
Name100Challenge – name 100 famous women in 12 minutes (name100challenge.com)
Free career tools that show how recruiters read your resume (heyresume.co)
Aina – autotune an ONNX model and deploy it across an edge fleet (github.com)
Open-Cowork – an open-source, model-agnostic computer-use agent (github.com)
WiPhone Lab – Doom on an Open ESP32 Wi-Fi Phone (github.com)
Form gets its own phone number (formnumber.com)
Where a hand-written GPU kernel beats the library, and where it can''t (kyrieblunders.bearblog.dev)
EyeReset – Evidence-based eye-strain relief (no account, local-only) (yeshivsher.com)
I''m a senior estimator, I open sourced my construction takeoff tool (github.com)
I bet your hardest customer orders can be automated. Challenge Zentriq (www.zentriqai.com)
NegativeEV – I built a tool to help people see how bad their bets are (negativeev.com)
Leia – a CLI to oneshot playlists onto Yoto MYO cards (github.com)
APIgen – Generate Fusio REST APIs and Angular UIs from TypeSchema (apigen.app)
A single character turns primitive recursion into general recursion (github.com)
State of the Feed – TikTok usage analyzed (wrapped.vantezzen.io)
Otzar – Local hybrid search over your own files (github.com)
Reply to Your Comments with an API (mallary.ai)
Distilling DeepSeek into GPT-OSS doesn''t transfer censorship. Try it (www.ctgt.ai)
Doodlea.day – A daily step-by-step marker drawing lesson (doodlea.day)
Ski – Voice Coding for Claude Code, Codex and More – On-Device – Free (heyski.io)
Noisegate – a differential-privacy gateway for untrusted AI agents (github.com)
An online Live face swap app, no GPU need (livefaceswap.ai)
Tally – check a spreadsheet''s numbers against their source, in-browser (tally.jiegou.ai)
ZeroShot: Agent session monitoring to make your team go faster (tryzeroshot.com)
Agentic – Run Claude Code on different models with routing and budgets (github.com)
Rondo – iOS app that restyles Telegram round video messages (apps.apple.com)
RecipeBook – Self-serve platform for video training data, 3/HR (recipebook.shofo.ai)
Show HN secure FFmpeg (news.ycombinator.com)
I was able to run tiberian sun on cncnet on an M4 MacBook Pro (github.com)
Tuneloop – a local CLI for analyzing coding agent session transcripts (github.com)
GitHub scanner that finds real ISO 27001/SoC 2 gaps – no AI, no signup (normos.io)
Nearfield – Custom macOS driver to stereo-pair two Studio Displays (github.com)
8bit Shadcn/UI component library – 8bit/cnlibs (8bit.cnlibs.com)
Drug Boat, Strike (drugboatstrike.com)
Wasted Cycles – Local wall-clock profiler for AI coding agents (zozo123.github.io)
Scriptum, a native Mac Markdown editor that live reloads (ms-dev.app)