Hacker News
246 indie launches sourced from Hacker News.
Newest first
I built an app for learning and playing Bridge
A browser-based video editor that renders videos directly with FFmpeg
Cuts Long Horizon Inference Costs by 50% via external KV Cache Offload
Temporal Context Map
Crossle – A daily puzzle game where you find 3 intersecting words
I wrote this slowly, a needlessly patient text editor
Organic cell simulation with infinite zoom (100k cells, raw WebGL)
A platformer video game using visual representations of functions
Termic – desktop app for running CLI coding agents (Claude Code, Codex)
ScreenFocus – keyboard focus follows the pointer across Mac displays
VoiceScroll – a teleprompter that scrolls as you speak
I built an AI that roasts GitHub profiles
Integrate any CLI agent into any terminal
I built a hypervisor and client for inference on consumer compute
I mapped every US golf course
What 180k words look like as a temporal knowledge graph (Oz series)
Argus – VSCode Worktree Agent Session Manager
Rudoc – a 4.5MB Rust document converter
PeerTree an Biological Inspired Network
Awsmux – Multi-account AWS CLI, up to 5.4x faster, 7.4x fewer tokens
Tasku. Manage Tasks from the Terminal
I built a blind taste test for Claude and Codex designs
Working Async – The new wave of remote work is async-first
Brolly, a plain-text weather forecast site
SpinWin – A macOS menu bar app to visually rotate or spin any window
I built remembered checkout for Voice calls
TypeScript software rasterizer with programmable shaders
Collecte MTL – Montreal waste collection schedules (web and iOS)
T-Shirt Weather. See the multi-day forecast for any city on a world map
Smriti: Your Photos, Your Memories
Cygnus – A fast, lightweight self-hostable serverless runtime and PaaS
I made an algorithmic arena game with physics in 3D
Impressive turn-based RPG prototype built with Opus 5 in 20 min
Elizabeth Line Guide (London) – Live departures, timetables, fares
Rivers – a Rust/Python orchestrator with native OIDC and forward auth
WhipDesk – Control your full dev machine from your phone
AI Meter – Local token usage with energy and water estimates
Maps of >100 theories for how society works inc. Graham / Thiel / Smith
git clone https://git.swerdlow.dev
I rebuilt Microsoft Comic Chat's layout engine in one HTML file
Openleetcode – local LeetCode runner where tests live in the repo
Mboxreader – easily view your Gmail Takeouts
Open-weight OCR got so cheap I had to share it
Impress – an ad-free daily word game
Twigg – open-source big-tech-like version control and software forge
I made some transistor animations
Sourceminder.org - token-efficient code search
Poddie – A local-first, text-based video and podcast editor
Jixp, a Lisp DSL for describing Jax neural nets
Crisp – Open-source display manager for macOS (DDC, HiDPI, presets)
Stock market indices on a spinning 3D globe
Audio Player with "Binaural Beats" tuned to the same key as your music
PDFly – 56 free PDF tools that run in the browser
A factory simulator game built on Spreadsheets
Life Tile – Passive time tracker that shows your day as a Mondrian grid
Connecting my dumb garage and car's homelink buttons to Home Assistant
Flow Matching model inference in C
OneCLI – OSS credential gateway that keeps secrets out of AI agents
Palmier Pro – Open-source macOS video editor built for AI
macOS menu-bar manager for SSH port forwards
Hanky – ETL style framework for loading flash cards into Anki
Physically accurate black hole you can put in your room
I simulated closing the Strait of Hormuz on real oil trade data
Vivace – A single-process Qt media player with interactive DVD menus
Millwright – Rust-based, self-hosted LLM router
Cactus Hybrid: We taught Gemma 4 to know when it's wrong
Yorishiro – a macOS terminal where AI agents live
Bento - An entire PowerPoint in one HTML file (edit+view+data+collab)
Trifle – Open-source analytics that stores answers, not events
Agent in 9 Lines Python
A new kind of FPS aim trainer
Computable – Buy, sell, and redeem GPU for the exact weeks you want
Orate – On-device neural text-to-speech queue for Mac
A self-running space economy SIM in Rust and Bevy
Word in Web – Near MS Word Parity Docx Editor in Web
CodeAlmanac – Karpathy-style codebase wiki from your conversations
An MCP server that turns async-work practices into tools
Inflexa – open-source Intelligence for Biology
A Scrabble-like word game for learning Spanish vocabulary
Aeon.WorX – A generic object lifecycle management system (like PLM/PDM)
Neverbell, an AI agent that analyzes markets and executes trades
QuiverKit – 62 developer tools that run offline
Take a photo of a menu, get a website
Ex Situ – Open-source spatial index of displaced cultural artifacts
Repolink – Turn any GitHub repo into a tool for any of your projects
Envy - A flat-file, frictionless note-taking application for macOS
pgwd – PostgreSQL connection alerts with cron exit codes
Ekko – post-quantum E2EE layer for Instagram, WhatsApp, Telegram Web
PounceDomains – Domain discovery and sniping for Namecheap Marketplace
Velprium - Time Workspace
Riace – a hands-free interval timer I built while getting back in shape
Neuron. Turn a SQL query history into a semantic layer
Roll Solver – daily multiplayer word puzzle PWA
A free lever-based puzzle game
Codeground – run and share code in the browser
Effort Router: Intelligent /effort selection per Claude turn
Take a break, play some puzzles
LectureToBook – Turn Videos into a PDF/ePub
DeepSQL – A self-hostable AI DBA agent for Postgres and MySQL
A browser-based canvas for custom physical notepads
We let Muse Spark 1.1 vibe code itself to produce 2048
The Plato Programming Language
VoxThermic – A macOS journaling app that uses Apple's Foundation Models
Sidereon: GNSS and Astrodynamics (Python, Rust, JavaScript, C, Elixir)
Grid Words – sudoku meets Wordle meets crosswords
A Pipeline for Making 10-minute AI Movies with Claude Code and Seedance
OTP Inspired actor supervisor based full stack templates
A 16-control subtractive synth for microcontrollers (39k ELF, web demo)
I made a cute weight tracking app where you can raise a pet
A self-hosted AI that turns Hacker News into a daily briefing
A canvas-based note taking and organizer app
A self-correcting algebraic agent swarm
PostgreSQL course with database running in your browser
FlexInference LLM Router
Ilya Sutskever's AI reading list into a learning RPG – using kimi k3
Randomly Generated ASCII Trees
Q3Edit – Edit and play Quake 3 maps in the browser
iMessage is the best interface, so I built TypeScript SDK for it
ride-recap, teaching a LLM my taste to automate cycling highlights
Loris Tunnel – an open-source desktop manager for SSH tunnels
Fluent, tiny lang for reactivity and autograd
Docket (system for active note-taking) now self-hosted after HN asked
A zoomable timeline of 4M Wikipedia events
Lific: Issue trackers should be simple, right?
On-chain bond market where the issuers are AI agents
Wolbarg – Local-first shared memory for AI agents using SQLite
Deadwire-HTTPD A triple-threaded x86-64 assembly static server
Deadly Dispatch – A physics puzzle game 13 years in the making
Moltshit.com – An Imageboard for AI Agents
Mojibake – A low-level Unicode library written in C
Vektorgeist- A platform for AI operators and their agent's
Darby, a Hugo docs theme with in-browser AI Q&A (no back end, no keys)
Libretto PR agents – Automatically fix failing playwright scripts
Be the ChatBOT
Leaves – A text-UI disk usage treemap visualizer
I built an open source alternative to Workflowy
BambooGrid – Open-source web UI for power grid modeling and power flow
Open-source AI app builder you can embed into your own SaaS
Docs.dev Your Own Hosted Docs Platform in Minutes
A spectral live stream of NYC sunlight
Trying to fix the web scraping industry's benchmark problem
Nous – give GTM agents one context graph across your tools
QBasic Gorillas (Repeeled)
Algotrek – Algorithms visualized, problem shape shifting and a tutor
An MCP server that frames screen recordings and shots in Apple bezels
A Python script that parses sheet music and plays it on a drum machine
Companion eBook for The Odyssey audiobook narrated by AI Michael Caine
Marigold – Get more done with your agent
Quatuor – Kick back and watch 4 agents LLM talk to each other (FOSS)
My triathlon coach (not a human) now texts me on iMessage
Overlay for Blender Render Progress, ETA, and Stalls (Windows Version)
Pokayoke – turn code conventions into checks for agents
A map of cafes that are in the sun
Glad-AI-Tor, the "best" AI tools judged by the crowd
Trellis2.c – Local 3D generation with Vulkan and CUDA
A Lightweight, open-source always-on-top local AI desktop companion
Git-remote-iroh – Ephemeral P2P Git remote
A modern learning tool for programming interviews & professional skills
Forall – An AI coding agent that generates machine-checkable proofs
I made a local image compressor to save you from popups andsubscription
Homer's Odyssey Tree Viewer
Swagsocial
webcast.social – Got MP3s? Host your own radio show from the browser
Firefox in WebAssembly
Spellsurf – Create words from words
An incremental build cache for Rust on GHA
OpenClaw for Your Health
ForkUnion v3 – Faster OpenMP-style thread-pool for C, C++, Rust, & Zig
Painterly – Turn pictures into digital paintings without generative AI
misa77 - a codec that decodes 2x faster than LZ4 (at better ratios)
SirixDB 1.0 Beta – Git-Like Versioning, Diffs, Time-Travel Queries
Fast NF4 dequantization Triton kernel (1.41x faster than bitsandbytes)
Running server scripts from smartphone via SSH
Leet Robotics: Learn robotics and ROS2 with hands-on courses
Make senders work to get into your inbox
Workaround – review and clean up your GitHub stars
A web based VistaPro clone
An Interactive Guide for Castlevania II: Simon's Quest
Flashbang – DuckDuckGo bangs resolved locally with a Service Worker
Simulator for a custom 8-bit discreet logic computer
Opening lines of famous literary works
A collection of opening lines from famous literary works, browsable.
I built a smart proxy so your coding agent can run loose
Low-latency local LLM runner via OpenJDK Panama FFM (Java 22)
Low-latency local LLM inference from inside the JVM via Project Panama FFM.
Oodle.ai – $10 per million agent traces
Agent trace observability at $10 per million traces, on a purpose-built columnar engine.
I built a tool that turns GitHub commits into posts
Turns GitHub commits into social posts — ship daily, post weekly.
Chauffeur – One Click restore of your aplication Context
One-click restore of your whole working context: apps, folders, tabs, files.
Beautiful Type Erasure with C++26 Reflection
Planetary Facts – food and product impacts against the planet's limits
Rates food and product impacts against the planet's actual scientific limits, from a NZ team.
BYO AI free notetaking with optional screen reading for OpenClaw/hermes
Free on-device macOS meeting notes: transcription, summaries, action items, optional screen reading, BYO agent.
ZenStack – access control at the ORM layer, built for coding agents
Access control at the ORM layer — policies live with the data model, built with coding agents in mind.
Benchmark your eng team's AI agent maturity in 5 minutes
5-minute benchmark of your engineering team's AI agent maturity, from hundreds of leader interviews.
I built a small transcription tool for non-English videos
A small transcription tool focused on non-English videos.
DriftTrip – A Virtual Road Trip
A virtual road trip between two cities — tourism videos and local flavor at each stop.
Melodusk – AI Music Generator and music tools in the browser
AI music generator and tool collection running directly in the browser, multilingual.
Free and open source browser extension for web automation
Free, open-source browser extension for web automation — standalone, no backend needed.
Microphone – Talk out your side-project ideas, then test them with ads
Talk out your side-project ideas, then validate them with real ad tests.
FixBugs – Reproduce production bugs and verify fixes
Agent that ingests production bug context, reproduces bugs in a sandbox and generates verified fixes.
Sx 2.0 – Share AI skills with your team through a Dropbox folder
Share AI skills across your team through a Dropbox-style folder — no git required.
ContextVault – Shared memory layer for your AI and your team
Shared memory layer for AI tools and your team: prompts, conventions, decisions in one vault.
Raftig – Plant Breeding X Naval Combat Roguelike
Plant-breeding-meets-naval-combat roguelike, conceived in a nap dream.
AgentsProof – a small project for testing AI agents
A small learning project for tracing agent runs, creating eval cases and spotting failures.
YouTube Guitar Tab Parser
CLI that turns a YouTube guitar-lesson video into a PDF of the tabs.
Sigwire – a live TUI switchboard for every signal on your Linux box
Live TUI switchboard for inspecting every signal across processes on a Linux box.
Finterm.ai Bloomberg terminal for Claude Code
CLI giving coding agents direct access to financial data: stocks, options, SEC filings.
AutoFlow – Turn screen recordings into user guides
Turns screen recordings into step-by-step user guides.
Jacquard, a programming language for AI-written, human-reviewed code
A programming language designed for AI-written, human-reviewed code.
HTML, CSS and JavaScript in the Terminal
Runs HTML, CSS and JavaScript in the terminal — exploring BBS-style shared boards over modern web tech.
Hackney – Compare Uber, Lyft, Waymo, and Robotaxi Prices
Compares real-time prices and wait times across Uber, Lyft, Waymo, Robotaxi and more.
Pentaton LP – a music streamer with an LP sleeve sized display
A music streamer with an LP-sleeve-sized display for the album artwork.
Level – a new demo for 8bit Atari XL/XE
New demoscene demo for the 8-bit Atari XL/XE using PAL blending tricks.
Web App Uses RTL-SDR to Align HDTV Antenna
Web app using a local RTL-SDR dongle to analyze HDTV signal strength and align your antenna.
Present of Time – gift someone your undivided time,phone in an envelope
Gift someone an hour of undivided time — redeeming it locks your phone in an envelope app.
Artificiety – Agentic society in a fantasy world
An agentic society simulation set in a fantasy world.
I created a platform with a list for promoting your projects
A launch platform whose list actively promotes projects instead of just hosting them.
How old is someone named Gertrude? SSA data says 80
Estimates how old someone with a given name is, from verified SSA data with a clean UI.
Mosey Parker – find a ride in bikeshare systems worldwide (iOS)
iOS app for finding rides across bikeshare systems worldwide.
Juggler – an open-source GUI coding agent, by the creator of JUCE
Open-source GUI coding agent by the creator of JUCE.
A lightweight app to let LLM work for oncall
A lightweight app that lets an LLM handle on-call duties.
The Line of Hope – how current teams compare to past champions
Compares current sports teams to past champions (The Line of Hope).
VectorSim Tool for Visualizing DSP
A tool for visualizing digital signal processing (VectorSim).
AI Photo Editor – Professional-Grade Image Editing with Text Prompts
Professional-grade image editing driven by text prompts (AI Photo Editor).
Containix – Run Nix flakes as Kubernetes pods without images
Run Nix flakes as Kubernetes pods without building images (Containix).
Introducing: Zotfile Agents
Zotfile Agents — AI agents for managing a Zotero research library.
MealPlans.dev
A service for generating meal plans (MealPlans.dev).
Kurvengefahr – browser CAD/CAM for pen plotters
Browser-based CAD/CAM for pen plotters (Kurvengefahr).
The Quiet Map – Earth's quietest place, measured by seismometers
The Quiet Map — Earth's quietest places, measured by seismometers.
Document Scanner for Freight Verification
A document scanner for freight verification.
OpenBenchmarks – Helping agents discover and pick the right SaaS APIs
Helps AI agents discover and pick the right SaaS APIs (OpenBenchmarks).
Ant – A JavaScript runtime and ecosystem
A JavaScript runtime and ecosystem (Ant).
Share and explore custom Claude Code status lines
Share and explore custom Claude Code status lines.
Orbit – AR satellite tracker, watch 15k+ objects
An AR satellite tracker showing 15,000+ objects (Orbit).
Clx – Compile Lua to Native Executables Through C++20
Compiles Lua to native executables through C++20 (Clx).
Hidetext.sh – encrypted pastebin where the server never sees the key
An encrypted pastebin where the server never sees the key (Hidetext.sh).
Axletic – a local-first workout tracker for iPhone
A local-first workout tracker for iPhone (Axletic).
SubjectiveZero, an open-source agentic node editor for creative coding
An open-source agentic node editor for creative coding (SubjectiveZero).
Microsoft releases Flint, a visualization language for AI agents
Microsoft's Flint, a visualization language for AI agents.
Abralo – Free, easy way to run several Claude Code agents in one window
A free tool to run several Claude Code agents in one window.
Chiptune Radio
A radio station streaming chiptune music.
Free Mermaid Diagram Editor
A free Mermaid diagram editor.
Davit, a Apple Containers UI
A GUI for Apple's native Containers.
Yamanote.fun – A complete soundscape for Tokyo's Yamanote line
A complete ambient soundscape for Tokyo's Yamanote train line.
PostgreSQL performance and cost across 23 EC2 instance types
A benchmark of PostgreSQL performance and cost across 23 EC2 instance types.
Fast, native Mac file manager (filters, fuzzy find, 9 MB, no Electron)
A fast native Mac file manager with filters and fuzzy find, 9MB, no Electron.
Pulpie – Models for Cleaning the Web
Models purpose-built for cleaning messy web-scraped data.
Homegames. An open-source game platform I've been making for 8 years
An open-source game platform the author has built and maintained for eight years.
Osint tool that finds exposed files on domains
OSINT tool that finds exposed files sitting on public domains.
