isometric.nyc
cannoneyed.com
giant isometric pixel art map of NYC
Top Show HN Launches, January 2026
Every Show HN launch from January 2026 that reached 50 or more points, most points first. For what is launching right now, see the live list.
149 launches
Top launches, January 2026
ChartGPU
github.com
WebGPU-powered charting library (1M points at 60fps)
I made a memory game to teach you to play piano by ear
lend-me-your-ears.specr.net
A Simon-style musical ear training game. Listen to melodies and play them back on piano. Practice mode with sheet music notation or play-by-ear mode. MIDI keyboard support.
Sweep
huggingface.co
Open-weights 1.5B model for next-edit autocomplete
I used Claude Code to discover connections between 100 books
trails.pieterma.es
Thematic links across books, automatically discovered by Claude.
OpenWorkers
openworkers.com
Self-hosted Cloudflare workers in Rust
I trained a 9M speech model to fix my Mandarin tones
simedw.com
Can a small transformer autocomplete MIDI performances in real time?
Terminal UI for AWS
github.com
Terminal UI for AWS (taws) - A terminal-based AWS resource viewer and manager - huseyinbabal/taws
Prism.Tools
blgardner.github.io
Free and privacy-focused developer utilities
The HN Arcade
andrewgy8.github.io
A directory of games from Hacker News Show HN posts.
DoNotNotify
donotnotify.com
Log and intelligently block notifications on Android
Scroll Wikipedia like TikTok
quack.sdan.io
A TikTok-style feed of short educational videos, ranked by what gets watched.
One Human + One Agent = One Browser From Scratch in 20K LOC
emsh.cat
I quit coding years ago. AI brought me back
calquio.com
Use our free compound interest calculator to see how your investments grow over time. Calculate with different interest rates, compounding frequencies, and monthly contributions.
An interactive guide to how browsers work
howbrowserswork.com
A guide on how browsers work.
Moltbook
moltbook.com
A social network for moltbots (clawdbots) to hang out
Self-host Reddit
github.com
2.38B posts, works offline, yours forever
Tailsnitch
github.com
A security auditor for Tailscale
Whosthere
github.com
A LAN discovery tool with a modern TUI, written in Go
Enroll
enroll.sh
a tool to reverse-engineer servers into Ansible config mgmt
Website that plays the lottery every second
lotteryeverysecond.lffl.me
Why wait a week for disappointment when you can have it every second? Watch Powerball and EuroJackpot play automatically in real-time.
Bonsplit
bonsplit.alasdairmonk.com
Tabs and splits for native macOS apps
Ferrite
github.com
Markdown editor in Rust with native Mermaid diagram rendering
OpenWork
github.com
An open-source alternative to Claude Cowork
WebTiles
webtiles.kicya.net
create a tiny 250x250 website with neighbors around you
A MitM proxy to see what your LLM tools are sending
github.com
Intercept LLM API traffic and visualize token usage in a real-time terminal dashboard. Track costs, debug prompts, and monitor context window usage across your AI development sessions. ...
Mastra 1.0
github.com
open-source JavaScript agent framework from the Gatsby devs
OSS AI agent that indexes and searches the Epstein files
epstein.trynia.ai
Rails UI
railsui.com
AI writes your Rails code. Rails UI makes it look like a real product. Complete, coherent product flows for Rails SaaS: auth, dashboards, billing, and email, designed as one system.
AI in SolidWorks
trylad.com
Only 1 LLM can fly a drone
github.com
📸 gotta find 'em all; spatial reasoning benchmark for LLMs - kxzk/snapbench
Pdfwithlove
pdfwithlove.netlify.app
PDF tools that run 100% locally (no uploads, no back end)
Dock
getdock.io
Slack minus the bloat, tax, and 90-day memory loss
Similarity = cosine(your_GitHub_stars
puzer.github.io
Karpathy) Client-side
Rocket Launch and Orbit Simulator
donutthejedi.com
Free online rocket simulator with no download needed. Launch rockets to orbit with realistic physics and orbital mechanics.
Play poker with LLMs
llmholdem.com
or watch them play against each other
Streaming gigabyte medical images from S3 without downloading them
github.com
A tile server for WSI stored in S3-compatible object storage. - PABannier/WSIStreamer
macOS menu bar app to track Claude usage in real time
github.com
macOS menu bar app showing Claude Code usage limits (session/weekly/per-model/overage) with alerts and click-to-focus when a Claude Code session needs your attention - richhickson/claudecodeusage
Beats
beats.lasagna.pizza
a web-based drum machine
An iOS budget app I've been maintaining since 2011
primoco.me
Text-to-video model from scratch (2 brothers, 2 years, 2B params)
huggingface.co
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
Lume 0.2
cua.ai
Build and Run macOS VMs with unattended setup
RatatuiRuby wraps Rust Ratatui as a RubyGem
ratatui-ruby.dev
TUIs with the joy of Ruby
Amla Sandbox
github.com
WASM bash shell sandbox for AI agents
I built a small browser engine from scratch in C++
github.com
Contribute to beginner-jhj/mini_browser development by creating an account on GitHub.
Kolibri
kolibrinkpg.com
a DIY music club in Sweden
TinyCity
github.com
A tiny city SIM for MicroPython (Thumby micro console)
SMTP Tunnel
github.com
A SOCKS5 proxy disguised as email traffic to bypass DPI
TUI for managing XDG default applications
github.com
TUI for managing XDG default applications. Contribute to mitjafelicijan/xdgctl development by creating an account on GitHub.
Tiny FOSS Compass and Navigation App (<2MB)
github.com
Modern FOSS Compass and Navigation app without Ads, IAP or Tracking - CompassMB/MBCompass
Agent Skills Leaderboard
skills.sh
Discover and install skills for AI agents.
Nogic
marketplace.visualstudio.com
VS Code extension that visualizes your codebase as a graph
Webctl
github.com
Browser automation for agents based on CLI instead of MCP
BusterMQ
bustermq.sh
Thread-per-core NATS server in Zig with io_uring
Phage Explorer
phage-explorer.org
Visualize and analyze bacteriophage genomes with color-coded DNA/amino acid sequences, 3D structures, and 40+ analysis tools. Free, open-source, works offline.
Sparrow-1
tavus.io
Audio-native model for human-level turn-taking without ASR
Yolobox
github.com
Run AI coding agents with full sudo without nuking home dir
Minimal
github.com
Open-Source Community driven Hardened Container Images
Agent-of-empires
github.com
OpenCode and Claude Code session manager
Figma-use
github.com
CLI to control Figma for AI agents
Pipenet
pipenet.dev
A Modern Alternative to Localtunnel
ChunkHound
github.com
a local-first tool for understanding large codebases
I visualized the entire history of Citi Bike in the browser
bikemap.nyc
Visualization of the entire history of Citi Bike, the largest bike-sharing system in the US.
I wrapped the Zorks with an LLM
infocom.tambo.co
TetrisBench
tetrisbench.com
Gemini Flash reaches 66% win rate on Tetris against Opus
We Built the 1. EU-Sovereignty Audit for Websites
lightwaves.io
Free EU independence check for websites. Analyzes Google Fonts, Analytics, CDNs and more. Score from 0-100 for GDPR compliance.
An interactive map of US lighthouses and navigational aids
lighthouses.app
Interactive map of 59,000+ active US Coast Guard lighthouses and navigational aids with animated light patterns.
Offline tiles and routing and geocoding in one Docker Compose stack
corviont.com
Corviont is a self-hosted local mapping service for utility, municipal, and other field deployments where connectivity is weak or everything needs to run on-prem.
Dwm.tmux
github.com
a dwm-inspired window manager for tmux
uvx ptn
github.com
scan a QR, get a terminal in your phone
Ocrbase
github.com
pdf → .md/.json document OCR and structured extraction API
I built a "Do not disturb" Device for my home office
apoorv.page
I created a custom hardware solution to prevent my parents from walking in on my meetings. Because a locked door is just a suggestion.
Artificial Ivy in the Browser
da.nmcardle.com
I've been using AI to analyze every supplement on the market
pillser.com
Subth.ink
subth.ink
write something and see how many others wrote the same
A small programming language where everything is pass-by-value
github.com
A simple interpreted programming language where everything is pass-by-value - Jcparkyn/herd
Gambit
github.com
an open-source agent harness for building reliable AI agents
I built a text-based business simulator to replace video courses
core-mba.pro
16 free courses on strategy, marketing, finance, AI, and leadership. Practice in business simulations, take quizzes, earn a certificate. No signup, no subscription.
BrowserOS
github.com
"Claude Cowork" in the browser
Interactive physics simulations I built while teaching my daughter
projectlumen.app
Reversing YouTube’s “Most Replayed” Graph
priyavr.at
An interactive exploration of the engineering behind YouTube's 'Most Replayed' graph.
Server-rendered multiplayer games with Lua (no client code)
cleoselene.com
Fall asleep by watching JavaScript load
github.com
Fall asleep by watching JavaScript load. Contribute to sarusso/bedtime development by creating an account on GitHub.
Jax-JS
ss.ekzhang.com
array library in JavaScript targeting WebGPU
I replaced Beads with a faster
github.com
simpler Markdown-based task tracker
Mantic.sh
github.com
A structural code search engine for AI agents
ShapedQL
playground.shaped.ai
A SQL engine for multi-stage ranking and RAG
Fence
github.com
Sandbox CLI commands with network/filesystem restrictions
Zsweep
zsweep.com
Play Minesweeper using only Vim motions
Various shape regularization algorithms
github.com
Various shape regularization algorithms. Contribute to nickponline/shreg development by creating an account on GitHub.
A geofence-based social network app 6 years in development
localvideoapp.com
S2-lite
github.com
an open source Stream Store
Vibe Coding a static site on a $25 Walmart Phone
stetsonblake.com
An interactive physics simulator with 1000’s of balls, in your terminal
github.com
A colorful interactive physics simulator with thousands of balls, but in your terminal! - minimaxir/ballin
1Code
github.com
Open-source Cursor-like UI for Claude Code
Stash
github.com
Sync Markdown Files with Apple Notes via CLI
Claude Reflect
github.com
Auto-turn Claude corrections into project config
Xenia
github.com
A monospaced font built with a custom Python engine
A simulator for engineers transitioning from IC to management
apmcommunication.com
Sales is bypassing you to task devs directly. Stop the interruption without ruining the relationship.
AutoShorts
github.com
Local, GPU-accelerated AI video pipeline for creators
C From Scratch
github.com
Learn safety-critical C with prove-first methodology
DeepDream for Video with Temporal Consistency
github.com
DeepDream for video with temporal consistency. Features RAFT optical flow estimation and occlusion masking to prevent ghosting. A PyTorch implementation. - jeremicna/deepdream-video-pytorch
Wario Synth
wario.style
Turn any song into Game Boy version
EuConform
github.com
Offline-first EU AI Act compliance tool (open source)
SnackBase
snackbase.dev
Open-source, GxP-compliant back end for Python teams
Make audio loops online
makeloops.online
Create music loops right in your browser using your keyboard or grid sequencer. Features drumpad, melodic keyboard, multiple synth types, and WAV/MP3 export.
HyTags
hytags.org
HTML as a Programming Language
1D-Pong Game at 39C3
github.com
A simple 1D-Pong game built with an ESP32 (WEMOS D1), a WS2812B LED strip, and two buttons - ogermer/1d-pong
A 10KiB kernel for cloud apps
github.com
BareMetal for the private/public cloud. Contribute to ReturnInfinity/BareMetal-Cloud development by creating an account on GitHub.
See the carbon impact of your cloud as you code
dashboard.infracost.io
48-digit prime numbers every git commit
textonly.github.io
Miditui
github.com
A terminal app/UI for MIDI composing, mixing, and playback
I built an AI conversation partner to practice speaking languages
apps.apple.com
Download Daily Planner: Zesfy by Satrio Budiarto on the App Store. See screenshots, ratings and reviews, user tips and more games like Daily Planner: Zesfy.
wxpath
github.com
Declarative web crawling in XPath
The Tsonic Programming Language
tsonic.org
Compile TypeScript into native C#, Rust and Mojo source projects.
B-IR
github.com
An LLM-optimized programming language
yolo-cage
github.com
AI coding agents that can't exfiltrate secrets
GibRAM an in-memory ephemeral GraphRAG runtime for retrieval
github.com
GibRAM is an in-memory knowledge graph server designed for retrieval augmented generation (RAG / GraphRAG) workflows. - gibram-io/gibram
What if your menu bar was a keyboard-controlled command center?
extrabar.app
Xoscript
xoscript.com
XOScript is a simple server-side scripting language.
Netfence
github.com
Like Envoy for eBPF Filters
mdto.page
mdto.page
Turn Markdown into a shareable webpage instantly
VaultSandbox
vaultsandbox.com
Test your real MailGun/SES/etc. integration
Hover
github.com
IDE style hover documentation on any webpage
Cicada
github.com
A scripting language that integrates with C
Fuzzy Studio
fuzzy.ulyssepence.com
Apply live effects to videos/camera
Epstein IM
epstein.im
Talk to Epstein clone in iMessage
Cursor for Userscripts
github.com
Coding agent for user scripts. Contribute to chebykinn/browser-code development by creating an account on GitHub.
Ayder
github.com
HTTP-native durable event log written in C (curl as client)
Dealta
github.com
A game-theoretic decentralized trading protocol
Extracting React apps from Figma Make's undocumented binary format
albertsikkema.com
How I reverse-engineered Figma Make’s binary format to extract complete React applications. A deep dive into ZIP archives, Kiwi schemas, and dual compression algorithms.
Bible translated using LLMs from source Greek and Hebrew
biblexica.com
30k IKEA items in flat text
huggingface.co
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
An LLM-Powered PCB Schematic Checker (Major Update)
traceformer.io
Automated schematic review with full-project support and per-review cost previews for KiCad and Altium Designer.
SF Microclimates
github.com
Free hyperlocal weather API for 50 San Francisco neighborhoods. No API key required. Claude Code and Clawdbot Skills - solo-founders/sf-microclimates
I built a space travel calculator using Vanilla JavaScript
cosmic-odometer.vercel.app
Calculate how far you have traveled through the universe since you were born.
Open-Source 8-Ch BCI Board (ESP32 and ADS1299 and OpenBCI GUI)
github.com
Cerelog ESP-EEG High-precision 8-channel biosensing board designed for EEG, EMG, ECG, and Brain Computer Interface (BCI) research applications. - Cerelog-ESP-EEG/ESP-EEG
I built a tool to create AI agents that live in iMessage
tryflux.ai
An open-source framework that connects your agents to iMessage, Telegram, WhatsApp, X, Discord, Instagram, and other interfaces people use every day.
AsciiSketch a free browser-based ASCII art and diagram editor
files.littlebird.com.au
Free and local browser tool for designing gear models for 3D printing
gears.dmtrkovalenko.dev
Generate precision involute gears with real-time 3D visualization. Interactive gear generator with customizable parameters and STL or 3Mf export for 3D printing, CAD or CNC machining.
Shelvy Books
shelvybooks.com
A beautiful, shareable bookshelf to track your reading journey.
Ourguide
ourguide.ai
OS wide task guidance system that shows you where to click
Differentiable Quantum Chemistry
github.com
A quantum chemisty library in jax. Contribute to lowdanie/hartree-fock-solver development by creating an account on GitHub.
AWS-doctor
github.com
A terminal-based AWS health check and cost optimizer in Go
Mystral Native
github.com
Run JavaScript games natively with WebGPU (no browser)
Open-source Figma design to code
github.com
Figma to React Converter. Contribute to vibeflowing-inc/vibe_figma development by creating an account on GitHub.
Grsh
grimreaper.icu
A high-performance shell for FreeBSD written in Rust
Customizable OSINT dashboard to monitor the situation
sr.ericli.tech
mcpc
github.com
Universal command-line client for Model Context Protocol (MCP)
Top launches, last 12 months
Every Show HN launch that reached 50 or more points, by the month it was posted. 1344 launches in all.