I spent 3 years reverse-engineering a 40 yo stock market sim from 1986
wallstreetraider.com
A 40-year odyssey from Harvard Law to Steam. How the most comprehensive financial simulator ever made was born, nearly died, and was resurrected.
Top Show HN Launches, February 2026
Every Show HN launch from February 2026 that reached 50 or more points, most points first. For what is launching right now, see the live list.
135 launches
Top launches, February 2026
Micasa
micasa.dev
track your house from the terminal
Craftplan
github.com
I built my wife a production management tool for her bakery
NanoClaw
github.com
“Clawdbot” in 500 lines of TS with Apple container isolation
CIA World Factbook Archive (1990–2025)
cia-factbook-archive.fly.dev
searchable and exportable
Jemini
jmail.world
Gemini for the Epstein Files
AsteroidOS 2.0
asteroidos.org
Nobody asked, we shipped anyway
Wikipedia as a doomscrollable social media feed
xikipedia.org
Wikipedia you can doomscroll
Algorithmically finding the longest line of sight on Earth
alltheviews.world
If you lose your memory
eljojo.github.io
how to regain access to your computer?
Llama 3.1 70B on a single RTX 3090 via NVMe-to-GPU bypassing the CPU
github.com
High-efficiency LLM inference engine in C++/CUDA. Run Llama 70B on RTX 3090. - xaskasdf/ntransformer
I spent 4 years building a UI design tool with only the features I use
vecti.com
LocalGPT
github.com
A local-first AI assistant in Rust with persistent memory
Steerling-8B
guidelabs.ai
a language model that can explain any token it generates
Look Ma
github.com
No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox
PgDog
github.com
Scale Postgres without changing the app
Terminal Phone
gitlab.com
E2EE Walkie Talkie from the Command Line
Moonshine Open-Weights STT models
github.com
higher accuracy than WhisperLargev3
I created a Mars colony RPG based on Kim Stanley Robinson’s Mars books
underhillgame.com
Now I Get It
nowigetit.us
Translate scientific papers into interactive webpages
Ghidra MCP Server
github.com
110 tools for AI-assisted reverse engineering
Microgpt is a GPT you can visualize in the browser
microgpt.boratto.ca
a visualization of a very small gpt model, running in the browser
Free alternative to Wispr Flow
github.com
Superwhisper, and Monologue
X86CSS
lyra.horse
An x86 CPU emulator written in CSS
A native macOS client for Hacker News
github.com
built with SwiftUI
I wrote a technical history book on Lisp
berksoft.ca
Data Engineering Book
github.com
An open source, community-driven guide
I built a macOS tool for network engineers
netviews.app
it's called NetViews
SQL-tap
github.com
Real-time SQL traffic viewer for PostgreSQL and MySQL
Sameshi
github.com
a ~1200 Elo chess engine that fits within 2KB
Respectify
respectify.org
A comment moderator that teaches people to argue better
Knock-Knock.net
knock-knock.net
Visualizing the bots knocking on my server's door
I ported Tree-sitter to Go
github.com
Pure Go tree-sitter runtime. Contribute to odvcencio/gotreesitter development by creating an account on GitHub.
A real-time strategy game that AI agents can play
llmskirmish.com
Benchmarks where LLMs write code to play strategy games. Now featuring StarSkirmish: LLMs vs StarCraft.
AI agents play SimCity through a REST API
hallucinatingsplines.com
The city simulator where AI agents are the mayors. Build and manage cities through an API or MCP server.
Local-First Linux MicroVMs for macOS
shuru.run
Local-first microVM sandbox for AI agents on macOS, with experimental Linux ARM64 support
It took 4 years to sell my startup. I wrote a book about it
derekyan.com
A founder's account of selling a $13.5M-funded startup. 53 chapters covering four years, 100+ conversations, and hard lessons learned.
Emdash
github.com
Open-source agentic development environment
Rowboat
github.com
AI coworker that turns your work into a knowledge graph (OSS)
enveil
github.com
hide your .env secrets from prAIng eyes
cmux
github.com
Ghostty-based terminal with vertical tabs and notifications
A physically-based GPU ray tracer written in Julia
makie.org
Stacked Game of Life
stacked-game-of-life.koenvangilst.nl
RetroTick
retrotick.com
Run classic Windows EXEs in the browser
Safe-now.live
safe-now.live
Ultra-light emergency info site (<10KB)
Sowbot
sowbot.co.uk
Open-hardware agricultural robot (ROS2, RTK GPS)
Micropolis/SimCity Clone in Emacs Lisp
github.com
A simple SimCity clone in Emacs Lisp. Contribute to vkazanov/elcity development by creating an account on GitHub.
AI Timeline
llm-timeline.com
171 LLMs from Transformer (2017) to GPT-5.3 (2026)
Glitchy camera
glitchycam.com
a circuit-bent camera simulator in the browser
A custom font that displays Cistercian numerals using ligatures
bobbiec.github.io
A font that renders numbers as medieval Cistercian numerals
Artifact Keeper
github.com
Open-Source Artifactory/Nexus Alternative in Rust
Geo Racers
geo-racers.com
Race from London to Tokyo on a single bus pass
Babyshark
github.com
Wireshark made easy (terminal UI for PCAPs)
Hacker Smacker
hackersmacker.org
Spot great (and terrible) HN commenters at a glance
I saw this cool navigation reveal
github.com
so I made a simple HTML+CSS version
I ported Manim to TypeScript (run 3b1B math animations in the browser)
github.com
Mathematical animations for the web — Manim in TypeScript - maloyan/manim-web
3D Mahjong
voxjong.com
Built in CSS
Skill that lets Claude Code/Codex spin up VMs and GPUs
cloudrouter.dev
Open source applied AI lab building next-gen devtools
Unfucked
unfudged.io
version all changes (by any tool) - local-first/source avail
Django Control Room
github.com
All Your Tools Inside the Django Admin
WARN Firehose
warnfirehose.com
Every US layoff notice in one searchable database
Clocksimulator.com
clocksimulator.com
A minimalist, distraction-free analog clock
Mini-Diarium
github.com
An encrypted, local, cross-platform journaling app
Moltis
moltis.org
AI assistant with memory, tools, and self-extending skills
JavaScript-first
github.com
open-source WYSIWYG DOCX editor
Adboost
github.com
A browser extension that adds ads to every webpage
Off Grid
github.com
Run AI text, image gen, vision offline on your phone
Echo
replay.software
an iOS SSH+mosh client built on Ghostty
Scanned 1927-1945 Daily USFS Work Diary
forestrydiary.com
Deff
github.com
Side-by-side Git diff review in your terminal
I taught LLMs to play Magic
mage-bench.com
The Gathering against each other
I'm launching a LPFM radio station
kpbj.fm
C99 implementation of new O(m log^(2/3) n) shortest path algorithm
github.com
Experimental C implementation of “Breaking the Sorting Barrier for Directed Single-Source Shortest Paths” by Ran Duan, Jiayi Mao, Xiao Mao, Xinkai Shu, and Longhui Yin (STOC 2025) - danalec/DMMSY-SSSP
Browse Internet Infrastructure
wirewiki.com
Explore internet infrastructure. Inspect domain names, IP addresses, DNS servers and more. Wirewiki offers free online tools to query internet infrastructure.
Smooth CLI
docs.smooth.sh
Token-efficient browser for AI agents
Agent framework that generates its own topology and evolves at runtime
github.com
Multi-Agent Harness for Production AI. Contribute to aden-hive/hive development by creating an account on GitHub.
Wildex
apps.apple.com
Pokémon Go for real wildlife
Mines.fyi
mines.fyi
all the mines in the US in a leaflet visualization
Distr 2.0
github.com
A year of learning how to ship to customer environments
Fine-tuned Qwen2.5-7B on 100 films for probabilistic story graphs
cinegraphs.ai
Claude-File-Recovery
github.com
recover files from your ~/.claude sessions
Slack CLI for Agents
github.com
Slack automation CLI for AI agents. Contribute to stablyai/agent-slack development by creating an account on GitHub.
VOOG
github.com
Moog-style polyphonic synthesizer in Python with tkinter GUI
Arcmark
github.com
macOS bookmark manager that attaches to browser as sidebar
Breadboard
breadboards.io
A modern HyperCard for building web apps on the canvas
R3forth
github.com
a ColorForth-inspired language with a tiny VM
Showboat and Rodney
simonwillison.net
so agents can demo what they've built
Badge that shows how well your codebase fits in an LLM's context window
github.com
A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs dir...
Iron-Wolf
github.com
Wolfenstein 3D source port in Rust
Maths
github.com
CS and AI Compendium
VectorNest responsive web-based SVG editor
ekrsulov.github.io
Printable Classics
printableclassics.com
Free printable classic books for hobby bookbinders
Context Mode
github.com
315 KB of MCP output becomes 5.4 KB in Claude Code
CEL by Example
celbyexample.com
Common Expression Language Examples
A Lisp where each function call runs a Docker container
github.com
A Docker image is a piece of executable code that produces some output given some input. - a11ce/docker-lisp
EpsteIn
github.com
Search the Epstein files for your LinkedIn connections
Linex
playlinex.com
A daily challenge: placing pieces on a board that fights back
Pangolin
github.com
Open-source identity-based VPN (Twingate/Zscaler alternative)
CodeRLM
github.com
Tree-sitter-backed code indexing for LLM agents
I made paperboat.website
paperboat.website
a platform for friends and creativity
Sandboxing untrusted code using WebAssembly
github.com
Secure runtime to sandbox AI agent tasks. Run untrusted code in isolated WebAssembly environments. - capsulerun/runtime
Minikv
github.com
Distributed key-value and object store in Rust (Raft, S3 API)
Zuckerman
github.com
minimalist personal AI agent that self-edits its own code
Pg-typesafe
github.com
Strongly typed queries for PostgreSQL and TypeScript
I built a tool to un-dumb Claude Code's CLI output (Local Log Viewer)
github.com
The missing DevTools for Claude Code — inspect session logs, tool calls, token usage, subagents, and context window in a visual UI. Free, open source. - matt1398/claude-devtools
Sol LeWitt-style instruction-based drawings in the browser
intervolz.com
Instruction-driven generative wall drawings in a spatial web gallery, a tribute to Sol LeWitt.
C discrete event SIM w stackful coroutines runs 45x faster than SimPy
github.com
A multithreaded discrete event simulation library in C, using POSIX pthreads for parallelized trials and replications, stackful asymmetric coroutines for concurrent simulated processes inside each ...
Triclock
triclock.franzai.com
A Triangular Clock
Total Recall
github.com
write-gated memory for Claude Code
Stripe-no-webhooks
github.com
Sync your Stripe data to your Postgres DB
Copy-and-patch compiler for hard real-time Python
github.com
Tracing based copy-and-patch compiler for low-latency realtime Python - Nonannet/copapy
Xmloxide
github.com
an agent-made Rust replacement for libxml2
Agent Alcove
agentalcove.ai
Claude, GPT, and Gemini debate across forums
Octosphere
octosphere.social
a tool to decentralise scientific publishing
Agent Swarm
github.com
Multi-agent self-learning teams (OSS)
Simple org-mode web adapter
github.com
A simple view into your org roam notes with editing, backlinks, and rendered math. - SpaceTurth/Org-Web-Adapter
Formally verified FPGA watchdog for AM broadcast in unmanned tunnels
github.com
Contribute to Park07/amradio development by creating an account on GitHub.
Clawe
github.com
open-source Trello for agent teams
GitHub Browser Plugin for AI Contribution Blame in Pull Requests
blog.rbby.dev
An extension of Refined GitHub browser plugin for AI contribution tracking capabilities in GitHub pull requests.
SplatHash
github.com
A lightweight alternative to BlurHash and ThumbHash
Vibe Code your 3D Models
github.com
The AI-powered 3D CAD IDE — edit code, visualize in 3D, and reshape your designs with natural language. - timschmidt/synaps-cad
Klaw.sh
github.com
Kubernetes for AI agents
I built a self-hosted course platform in Clojure
clojure.stream
Master Clojure through project-based courses, live workshops, and a thriving community of practitioners.
A luma dependent chroma compression algorithm (image compression)
bitsnbites.eu
ZSE
github.com
Open-source LLM inference engine with 3.9s cold starts
A small
github.com
simple music theory library in C99
Itsyhome
itsyhome.app
Control HomeKit from your Mac menu bar (open source)
Multimodal perception system for real-time conversation
raven.tavuslabs.org
Experience Raven-1, Tavus's multimodal perception model that understands not just what you say, but how you say it. See real-time tone, expression, and intent analysis.
Elysia JIT "Compiler"
elysiajs.com
why it's one of the fastest JavaScript framework
20+ Claude Code agents coordinating on real work (open source)
github.com
Contribute to mutable-state-inc/lean-collab development by creating an account on GitHub.
Scheme-langserver
github.com
Digest incomplete code with static analysis
CodeMic
codemic.io
CodeMic: replay coding tutorials *inside* VSCode with audio/video guide and code navigation.
Decided to play god this morning
github.com
so I built an agent civilisation
A geometric analysis of Chopin's Prelude No. 4 using 3D topology
github.com
Cholidean Harmony Structure. Contribute to jimishol/cholidean-harmony-structure development by creating an account on GitHub.
Kappal
github.com
CLI to Run Docker Compose YML on Kubernetes for Local Dev
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.