I made a tiny HN-style forum for small communities (github.com)
LetThemBuild – Claude Code, Codex, Gemini and OpenRouter in Parallel (letthembuild.com)
Mapping the FAA ground stop with open flight-tracking data (news.ycombinator.com)
Daily puzzles to keep AI users sharp (brainsaver.app)
Infinite Shaders (shaderfrog.com)
Omnistew - 3D multiplayer RTS inspired by Risk, playable in a browser (omnistew.io)
RCEs. Can you pop all 3 boxes? (PHP2Shell / Node2Shell / Ruby2Shell) (breakinifyoucan.com)
Enzo – Dictation, meeting diarization, and recall for Mac, on-device (tryenzo.ai)
Paintpot – Kid-friendly MSPaint clone for Linux (github.com)
Domino Rally – design in 2D, watch in 3D (www.orgiggly.com)
Deterministic prompt injection detector using formal logic (nischoy.ai)
A free Casablanca Stock Exchange terminal, built by a 2ème bac (sahm-terminal.vercel.app)
HN's Most Recommended Fonts (hacker.living)
Atmosphere – Dolby Atmos for Netflix in Safari (Vibecoded) (github.com)
MorletDB is a Postgres extension for waveforms (github.com)
For Tesla owners – a whole bunch of stats from your vehicle's telemetry (teslameter.teramips.com)
RedHands – MCP for multi-stage offensive security tools (github.com)
Loft – offline Q&A over your local files, with citations (llama.cpp) (github.com)
Radiotherapy Delivery Demo Written in Rust and WebAssembly (tps.neuralrad.com)
Smart Node, a self-hosted crew of AI agents for a small business (github.com)
DownForReal – Kuma Hosted from 3 regions (downforreal.com)
AI Time Estimator – how long Claude Code will take, from your own logs (github.com)
Flipbook Foundry – animated stick figures baked into a font (flipbook-foundry.pages.dev)
Blaris – Windowless Random-Access LZSS for Constrained Microcontrollers (github.com)
Whiteboard – Open-source alternative to Miro (whiteboard.puter.com)
Coppice – A local desktop app for multi-agent coding (github.com)
In-browser object removal, 1s on WebGPU, photo never leaves your device (wipe.photos)
Model-share – see which Claude models used your weekly limit (github.com)
Chopper, a tiny edge model that keeps only useful text in 50 ms (github.com)
YVD – Generate videos, images, and music in seconds with AI (yvd.io)
Themes for Claude Code (tessera.shiptiffin.app)
Big-gulp-read – Pi extension for reading much larger chunks (pi.dev)
Quote Reel – surface your Kindle Highlights in a reels-like feed (quotereel.app)
CodeRelay – Let your coding agent delegate work to a teammate's agen (github.com)
A browser RTS where you play alongside your local agents (agentcommand.gg)
Business Cubes (businesscubes.org)
Linux CLI for Cricut StickerPix (github.com)
What HN community recommended learning in 2026 (school-of-hn.pages.dev)
Mapboard – Excalidraw, but on a Map (mapboard.bruceroettgers.eu)
TriusLD – A Small Tokenizer for LLMs with Robust Multilingual Support (trius.canton.graphics)
ChoicerVoicerHub – Zero-backend voice dubbing studio in the browser (choicervoicerhub.com)
TParquet – Parquet for time-series, 50% compression with Pcodec (github.com)
Scatter – better way to learn new things with AI (www.scatter.study)
A simple Solar system orbital SIM that permits change of POV (claude.ai)
DeepSeek V3 in 200 lines of pure Jax (github.com)
Mopup – clean up after builds and coding agents on macOS (mopup.online)
I made an alternative Wireshark macOS app (tcpviewer.proxyman.com)
Burrmill – SQL over Parquet with exact integer arithmetic (github.com)
Epistemic News – re-ranking HN comments (ianchanning.com)
Track Cassette Looper for iPad (autographmusic.com)
Agweb – a browser for agents that stays out of your way (github.com)
Lampka – a Windows PDF reader whose dark mode keeps figures in colour (lampka.app)
Fursoy – Out-of-order RV64IMAFDV core in SystemVerilog (Linux 6.6) (github.com)
A terminal-native idle factory game, written in Rust with ratatui (gitlab.com)
Existence-trace 0.4.6 makes its journal agent justify a new rule scope (github.com)
Aris – an open-source agent that lives in the MacBook notch (github.com)
Yet another agent manager (but we needed it) (varinomics.com)
SunsetLint – find retiring AI model IDs in your GitHub repos (www.sunsetlint.com)
Zigzag, a native Mac browser for people leaving Arc (github.com)
Sauron – Error tracking and product analytics in one self-hosted stack (sauron.splimter.com)
What bootstrapped startups get from credit programs (github.com)
Shotoku – Local-first action governance and budget caps for AI agents (www.shotoku.dev)
OneMax Agent – Mac dictation that turns voice notes into tasks (onemaxagent.com)
Cyberviber – a 15 touch screen to show which Claude session needs you (cyberviber.de)
Timon, an open-source AI workstation for coordinating agents (github.com)
Free GitHub Repo Security Scanner –finds leaked secrets,exposed configs (edgeiqlabs.com)
Bright Lines – a fail-closed guard hook for Claude Code (github.com)
Ledge – a shelf for files, clipboard history, and music (www.tryledge.app)
Orty – AI lead qualification for freelancers (getorty.work)
Image Ads Turn Product Shots into Scroll-Stoppers (news.ycombinator.com)
Autoeditor – AI for retention video editing (www.autoeditor.app)
Free Llms.txt Generator (amplifyklicks.com)
Audio Transcription in Browser with WebGPU (whisper.tanpreet.xyz)
MAP & GO! - the day, on a map (apps.apple.com)
FieldRook – a local-first Windows troubleshooting workstation (github.com)
Voice-first app onboarding experiment (UI, Pros, Cost) (coffeeandtoken.com)
Automatic extraction gets you structured data from web data (66.44.17.8)
Gamma PDF – AI-native PDF reader, self-hosted (gammapdf.com)
Language for API calls, load tests and MCP server (stampdrill.com)
SeharaCloud – Self-Hosted Multimedia System (github.com)
Free Dictionary API – Wiktionary data, no API key required (api.suvankar.cc)
VPN Manager (github.com)
EDNA – 100% on-device human sensing so AI can perceive the user (openos.space)
Podcast News (podnews.app)
Browserr – An MCP-first browser for AI agents (one Rust binary) (browserr.dev)
Geocode the planet(630M addresses), indexed in 5h on a 9 GB RAM budget (github.com)
Open-Source Version of Cyclon: Phone where AI is the interface? (opencyclone.vercel.app)
RemoteKu – Desktop Roku remote and live ECP keyboard deck for Mac/PC (github.com)
Xdoc – High-fidelity Offline PPTX viewer and pdf converter (structurify.io)
Light control for MacBook charger status light (open-source) (github.com)
Portal2Bench – Can AI agents solve Portal 2? (kingstonyip.com)
Memro – Persistent Memory for Claude Code, Cursor and Codex (github.com)
Building a list of places to launch your app (another.directory)
String#to_proc to Help Traversing JSON (github.com)
Feedback/AMA MeditionBench; LLMs for mediation and conflict resolution (news.ycombinator.com)
Anvil builds premium websites at lower cost (www.tryanvil.dev)
Live map of U.S. flights during tonight's FAA nationwide ground stop (grounds.top)
FrontierBioML – Can coding agents do ML for computational biology? (www.frontierbioml.com)
Netwar –a browser hacker MMO with 15second card duels on shared hex map (play-netwar.com)
Customer Intelligence and Monetization Toolkit for Claude Code (github.com)
Algorithmic MIDI Companion – Viterbi SATB Solver and Euclidean Rhythms (midicompanion.revisitedlabs.com)
1:1 Webflow to Claude Code converter (twitter.com)
I hand-read 248 shops' return policies because no dataset existed (pricemend.com)
Replicate, turn Webflow website into a GitHub project (free) (twitter.com)
Harness Relay – the coding agents you have, working together (agentic-system-lab.github.io)
Copper-KiCad – MCP to design PCBs in KiCad better and cheaper (github.com)
Bloomline, a Small Puzzle Game (matthewoldach.com)
Free AI Image Gallery (images.skynettstudio.com)
Little Boxes, 20 Tic Tac Toe variants (and counting) (apps.apple.com)
Host a site, content, or stream from a browser tab, served over WebRTC (fmrl.live)
Search 12k n8n community nodes by what they do (workflownodes.vercel.app)
Find the Best Countries and Cities to Live or Travel (my-next-spot.com)
Tinbo – yet another (modern) link shortener (tinbo.co)
College Basketball Stats and Predictions (fijimf.com)
The Price of Patience (github.com)
Hotaisle-Console (hotaisle.xyz)
"xc", Compile the same source for GPUs and CPUs (github.com)
Livecheck – paste a job link, see if it's still open, with evidence (livecheck.fly.dev)
Calculator for comparing data extraction quotes, cost per usable record (forage.ai)
2x cheaper real-time object tracking engine for video SOTA (github.com)
Re-ranking of the 3000 HN Comments on Jensen Huang resigns thread (ianchanning.com)
Port of Context – Token efficient MCP context layer (portofcontext.com)
Arcstone-Airlock-Blueprint – Offline Charon/Aeneas/Coq for Rust (github.com)
I measured what each agent-built pull request costs (2.42) (github.com)
CtxWise – Stop 8MB MCP crashes, schema bloat, and cache misses (github.com)
AI Juggler – Orchestrate your desktop Claude and Codex apps (github.com)
Webpage of Hands (lasmanos.app)
Lore, ADRs you can ask questions to (local hybrid search MCP) (github.com)
Isometric SF – A pixel-art map of the SF Bay Area (isometricsf.com)
Newly Startup – Discover emerging startups, SaaS and AI tools (newlystartup.com)
Giving frontier AI models capital and access to onchain markets (blink.cash)
MFR 8.1.2 released with a free giveaway license (www.finebytes.com)
Earshot – live, on-device transcription of any app on your Mac (github.com)
Pharon – security incident alerts for your whole stack (getpharon.com)
Altar: Open-source launch command center for indie devs (github.com)
Scenedraw – Create multiple excalidraw scenes, backed up on GDrive (scenedraw.app)
Desky – Auto Safari desktop mode for iPhone Duo when unfolded (apps.apple.com)
Bonwa – A free visibility check for your website (bonwa.ai)
Dodaiso – Open-source personal AI agent (like Jarvis, dots,duet) (github.com)
Put mandarinthewild.com/ in front of any link to read it with pinyin (mandarinthewild.com)
Viral Video AI – Short videos from text, photos and video references (viralvideoai.ai)
Open-source firmware for 2011 Bowers and Wilkins Zeppelin Air (github.com)
Face Value Press – turn a photo into a proper playing-card court card (facevaluepress.com)
Decide – decision model CLI for analyzing large codebases with Jev (decide.deepnoodle.ai)
Leetsys – Practice system design interviews with an AI interviewer (www.leetsys.dev)
Agent-plan a CLI that automatically commits your agent's plans (github.com)
BraKet - classify shell command effects in microseconds in TS or Rust (github.com)
Cal.flare – cal.diy ported to Cloudflare Workers (github.com)
Find and share essays (essaypod.com)
Langfuse AI Gateway, open source rust gateway to trace every LLM call (github.com)
Skylands – Run coding agents on any machine, approve from your phone (github.com)
Hexalexagons, a daily word game on a hexagonal grid (hexalexagons.com)
Browser Hands – Claude in Chrome for Codex, Cursor and Any MCP Agent (github.com)
Rensa –a browser falling-block puzzle with chains and items (alpha.rensa.workers.dev)
Harness Tuner – eval-driven tuning loop for agent tools, prompts, model (github.com)
A Qunatum-Safe Encryption at Rest Tool (sareproject.github.io)
Build Django Admin internal tools with your coding agent (djangocontrolroom.com)
Clozemaster MCP server that turns class notes into cloze sentences (www.youtube.com)
JackAI Experimenting Local Models on iPhone (apps.apple.com)
TriageLab – reproduce bugs in a disposable Kubernetes sandbox (github.com)
SPF Macro Debugger (dmarcguard.io)
BranchBay/BranchShell – frankenstein interconnected Git and SSH clients (branchbay.dev)
Architectural Gravity – Cross-Model Agent Control Language (github.com)
I built SQLite databases for your agents with an Airtable view for you (getairdash.com)
Aisync exits 3 when two AI agents claim the same file (github.com)
Latticework – Explore 83 investors' portfolios from SEC filings (latticework-x.com)
Deccy – software engineering as decision management (edawise.com)
Jotship – Create small shareable software as easy as a Google Doc (jotship-7c2e3.web.app)
A free resume builder that runs in the browser (PDF and DOCX) (myuscareerpath.com)
Practice coding with AI on real tickets (algocademy.com)
CloudHike – A backend your AI coding agent can set up over MCP (cloudhike.dev)
Pcap Packet Analyzer – Inspect .pcap Files in the Browser (quickfit.iuschro.com)
quint-audit - deterministic spec-quality auditor for Quint (OCaml) (github.com)
Turn your GitHub history into charts and numbers for reviews and 1:1s (showoffer.tech)
AI News Agg – Know what's trending in AI news (ainewsagg.com)
I designed my ideal wall calendar (shop.karthikmahadevan.com)
I built hosted browsers with CDP access for automation (remote-browser.dev)
Reflota – Open-source data recovery for NTFS/FAT disks with phased copy (github.com)
Every Australian federal MP's official records, expenses, in one place (www.aussiesoapbox.org)
Sorleed – Source-first React and CSS UI components for fintech (sorleed.com)
Carton Clock – A working pendulum clock made from empty drink cartons (www.niklasroy.com)
Filiread – Classic books that highlight each word as it's read aloud (filiread.com)
Trovemarks – Turn your bookmarks into followable collections (trovemarks.com)
A Python PoW ledger with post-quantum, vault and agent-allowance (github.com)
Free Online Tools for PDF, Image, Video, Translation and Calculators (tooltea.com)
Visiongrep – local semantic image search in Rust (github.com)
MuzeGen AI – Generate AI music with stem separation and MIDI export (muzegen.ai)
Ungate – Claude and ChatGPT subscriptions in Cursor's native chat (github.com)
Glancecard – README stats cards rendered by your own GitHub Action (github.com)
Luma – Type a phrase, jump to the second it was said in any local video (github.com)
Desk Widgets – Drag-and-drop desktop widgets for Windows (github.com)
Celesties.org – Online Tarot reading, spreads, cards, and astrology (celesties.org)
CTRL – realistic work simulations for engineering interviews (ctr-l.studio)
Avatar/pet plugin changes attire based on topic Codex/Claude/DSH (github.com)
Your Coucou, a daily check-in app for people living or traveling alone (www.yourcoucou.com)
Receipts – fact check a post, article or screenshot right in your feed (apps.apple.com)
Vibeberry.io – Font Generator, Symbols, Emoji, Lenny Faces Collection (vibeberry.io)
Ultra-Low Latency C23 HFT Engine and Lock-Free Ring Buffers (github.com)
Give your agent its own temp mail service (github.com)
AI-drop project – drop traffic fast from misbehaving crawlers (AGPL) (rocketgit.com)
Trip Analytics and Telemetry Dashboard for BYD DiLink 3 and 5 Vehicles (github.com)
Talgent Workbench – Open-source managed agent platform you run yourself (github.com)
Pac-Man, but You're the Ghost (garritfra.github.io)
No Microsoft 365? Get your work done on my simulated typewriters (typewriter.foxipso.com)
Wonderchat – A Zendesk alternative that doesn't charge per seat (wonderchat.io)
LinkBunny Shooter (linkbunnyshooter.com)
Zero-axiom Lean 4 proof of Yang–Mills R4 defect via Peano arithmetic (github.com)
Chap – Meeting notes from live captions (no bot) with any LLM or agent (chatpanel.net)
PracticeCalculus, learn calculus by solving problems (practicecalculus.com)
Mind Blobs – a browser RTS where you win by befriending, not fighting (neojex.itch.io)
I built a tool to check website access for 14 AI crawlers (floxolab.com)
Shiplist – Know what files are in your images and packages (github.com)
My Script to Diff iTerm Configs (gist.github.com)
Vending machine uses words, not money (cultivatedcorpora.com)
I built a numbers game for my kids, with no tracking in the app (playhellobeam.com)
Real-time inventory of natural stone slabs in US (slabby.org)
I built a Rick and Morty explainer video generator (usediorama.com)
Woolly – Take your ChatGPT memory with you, local and open source (github.com)
Zipzi – Open-source Live2D Editor alternative with AI-assisted editing (github.com)
TempCD – Temporarily CD in a directory with one command (github.com)
Umsfuse: FUSE driver and tools for UMSDOS (fossil.chungy.name)
Grow any hobby (skills for humans not AI) (grow-bonsai.app)
Bricksentry – see what a data change does before it ships (Databricks) (github.com)
KittyBrowser, I built a web browser in your terminal (github.com)
AgentLeak – open-source privacy testing for multi-agent LLM systems (github.com)
A shared live Etch A Sketch – one continuous line, or draw via API (graciegould.com)
Autoresearch, but for Weight Space Programming (huggingface.co)
Mockingboard Revisited – 1983 Apple II Dual AY-3-8910 Chiptune Synth (mockingboard.revisitedlabs.com)
AI Math Kit – Open Problems. Explore Honestly (chromewebstore.google.com)
Animal Maze Game – Swipe for Treats (play.google.com)
Frankaa – zero-dependency gallery where a swipe drives a WebGL shader (jabclari.github.io)
Design guidance and UI/UX quality checks for coding agents (flawless-ui-ux.vercel.app)
SayStreet – Voice shopping for blind users; the LLM never touches money (github.com)
As IrfanView isn't on Linux, I've vibe-coded my own image viewer (github.com)
TreasuryFlow, an overnight bank-vs-books check for small businesses (app.treasuryflow.ai)
AxiomStory – Keep stories consistent across AI text, images, video (axiomstory.com)
Newport, Work on Linux servers from your Mac or Windows desktop (github.com)
Survive Thanksgiving dinner – a voice game against nosy relatives (survivedinner.com)
Agentview Chat – a chat UI for Claude Code background sessions (github.com)
BitPlay Launch (bitframe.pages.dev)
A canvas terminal app written in Rust with built-in agent integration (infiniterm.app)
Duck – Making DuckDB feel like Swift (github.com)
Linux Namespace Struct Map (claude.ai)
ActiveDNS, a free DNS search service (activedns.net)
27T Worlds to Explore on iOS (www.swiftwhere.com)
Bugsy – AI automation which runs my company (skavish.github.io)
Shimmer – Stream PC Games into macOS Picture in Picture (www.kevinbpatel.com)
Animate4Me – The first prompt-to-Spine 2D animation tool (animate4me.com)
HPC-Hub, an app for working with HPC clusters (github.com)
Neon and Mubit: an agent that cuts its own frontier-model tokens by 73% (neon.com)
Postman but a free 5MB iOS and Mac client with iCloud synch (www.pokharel.net)
Buildout, Harmonies-based game to build AI Lab (buildout.eamag.me)
Bwat – Turn what's said in Zoom meetings into to-dos for your agents (github.com)
Kiln – A WebGPU alternative to transformers.js, 2.2 faster (median) (github.com)
Telltale Bot, detecting agentic web traffic (telltale.bot)
Cerulion – ROS 2-compatible robotics runtime with multi-process replay (github.com)
Paycoinly Smart Contract (github.com)
Source – The attribution data layer for agents to drive pipeline (www.source.app)
System requirements checking website for gamers along with optimization (www.ownplay.store)
Socratui – A Socratic Tutor for the Terminal (github.com)
Edit menu food arts like a Matplotlib plot (fireflysentinel.github.io)
Mudroom – Unified inbox for support requests (news.ycombinator.com)
Omut – just .md project memory the CLI checks but never writes (github.com)
Casa – A tiling macOS browser with terminal panes, Hyprland-style (github.com)
Context Machines – walks your web app like a new user to find bugs (github.com)
A Slack-like GitHub client for managing PRs (news.ycombinator.com)
Easy Dashcam – open-source Android app for a Wi-Fi dashcam (news.ycombinator.com)
Incremendle, a new number-go-up game every day (incremendle.com)
Pond Snap – Like Flappy Bird, but for people who want to relax (pondsnap.fun)
DRS-VPT. Localize a photo in a 3D point cloud without an initial pose (github.com)
Semi-Tycoon (semitycoon.borgorg.org)
Headwig- worktree alternative to develop and run parallel agent changes (harsh-kr-jha.github.io)
Firgit, tell your agents to forget stuff (firgit.com)
RealtimeVAD – trading false positives for 110ms earlier end-of-speech (github.com)
Logo Breeder (simdijinkins.com)
PharmA2A, an open protocol for pharmacy-to-supplier orders on A2A (github.com)
AgentRun – open-source, Self-improving Managed Agents (github.com)
Rowx – SQLx for Python (github.com)
Captain's Log, a Mac app for thinking out loud (koenvangilst.nl)
Tatane, a 2-player card game where you build hands on a shared grid (playtatane.com)
I built an enhanced AI chat using the new Generative UI from CopilotKit (github.com)
Kapso – Iterative learning from enterprise data (github.com)
Jigwise, free jigsaw puzzles in the browser (jigwise.com)
Rain Mail Multi Domain Temporary Email (rainmail.xyz)
Mela Tycoon (mela-tycoon.darshanpania.me)
GraphsWithStraightLines.com – 126 trends extended to 2050 (graphswithstraightlines.com)
My 300 embroidery machine needed a subscription, so I built my own app (github.com)
Apron Chat Protocol (apron.chat)
LessonFolk – Learn AI from an AI tutor, through MCP (open source) (lessonfolk.com)
A better UX for app permission grants on macOS (github.com)
A small Firefox add-on to compare 2 similar pages (addons.mozilla.org)
JVM Library to create styled PDFs with easy DSL (github.com)
ReadyStack.dev – Bit-for-bit reproducible OSS containers (news.ycombinator.com)
Jigsaw – modern multiplayer jigsaw puzzles in the browser (jigsaw.marnil.dev)
Dino Battle, a math adventure game my 7-year-old dreamed up (dinosaurs.flatown.com)
Armin – Modern Anki alternative with prerrequisite graphs (armincards.app)
Lumin – Logs, metrics and uptime checks for one-person SaaS (getlumin.dev)
AppPage – Embeddable community, roadmaps, and support hubs for apps (apppage.dev)
Flight Itinerary – plan multi-stop flight trips on a map (flightitinerary.app)
Jarvis Live – open-source voice agent that runs on your own computer (github.com)