Projects from HN posts

What are folks working on?

1689 projects published

Infrabase

This directory catalogs hand-verified AI infrastructure services and recently launched a Media Generation category covering image and video APIs. Submission spam detection has been improved amid a rise in spam, and there is growing interest in paid listings.

Builders @arvida

AI & automation

AI-generated text review UI

This review UI for AI-generated text lets users comment on specific words and make inline edits; Claude picks up both and revises the text in place, working like a PR review interface for text. Claude watches the files for new comments, edits them, and comments back right away.

Builders @arvida

AI & automationCreative tools & mediaDeveloper tools

SOVEREIGN

SOVEREIGN is an initiative proposing a better way for the internet, set out in a founding document hosted on the author's site with accompanying GitHub pages. It frames the current internet as dominated by a few who profit off everyone else and invites others to get involved and help build the alternative.

Builders @At1C

Community & civic

DoodleMate

This multimodal storytelling canvas exposes students to the basics of animation, character design, and story creation. Starting from paper drawings, it creates rigged versions of characters that can talk, walk, dance, and sing, which users can arrange into scenes. It relies on computer vision and animation algorithms rather than generative AI.

Builders @hjessmith

Creative tools & mediaEducation

powerbank.energy

A comprehensive powerbank reference list covering major brands such as Anker, Belkin and Ugreen, showing each model's basic data. The site aims to expand coverage to more brands and add richer comparison attributes such as whether a powerbank is approved for flight and its form factor.

Builders @yitchelle

Lifestyle & hobbies

Clash of Cars clone

A game project cloning 'Clash of Cars', implementing only the conceptual basics of the gameplay as a weekend build.

Builders @victorpudeyev

Games

Tula

A terminal tool that shows a user's true cross-venue exposure across crypto venues like HyperLiquid and Aave, including what breaks first. It has an LLM-terminal-like experience and supports adding an agent to ask questions in plain English.

Builders @hsnice16

Business & financeData & analytics

Fugleramme

An E-ink bird frame for Raspberry Pi that performs real-time bird detection by audio using fully local AI (BirdNET-Go) and displays the detected birds as real, hand-cut 1800s bird illustrations.

Builders @arnemunthekaas

AI & automationHardware & DIYLifestyle & hobbies

3D-printable lattice isosurface extractor

This tool implements a specialized isosurface extraction algorithm for generating 3D-printable surface-based lattices. The lattice configuration is derived from a conventional triangle mesh that can be prepared in any STL editor, and the lattice shape comes from a precalculated Fourier polynomial in barycentric coordinates.

Builders @okaleniuk

Hardware & DIY

Fudge

A tool that gives AI agents better design taste by enabling them to search for design references.

Builders @sim04ful

AI & automationCreative tools & media

Rita

This iOS app is an ADHD medication companion that helps with remembering to take meds, understanding the medication's effect curve, and receiving lifecycle notifications for when it peaks or starts to wear off. It supports pacing multiple doses throughout the day and managing medication supply. Health data is stored in the user's own private iCloud account, with no access by the developers.

Builders @futurecat

Health & fitness

slopdex

A CLI tool that improves agentic coding workflows by giving the coding agent an index into the source code, built with vector embeddings and LLM-generated descriptions and backed by local SQLite. It keeps things simple — no MCP, no server, no file watchers — and uses git commit hashes to reindex only what has changed.

Builders @ryuuseijin

AI & automationDeveloper tools

KPBJ LPFM community radio station

A low-power FM community radio station in Los Angeles being developed toward a full broadcast operation. It has accumulated nearly all equipment needed for the FM broadcast (an EAS decoder is still needed), is building out its studio space including welded booth tables and a vintage Orban Optimod for the airchain, and hosts a growing roster of over 80 shows.

Builders @solomonb

Community & civicCreative tools & media

collie

A mobile interface for terminal multiplexers such as tmux, zellij, and herdr, focused on managing agents on the go. MIT licensed and available on GitHub.

Builders @asar

Developer tools

StageWatch

A simple order status tracker for small fabricators and craftsmen. Businesses define their process and instantiate it per customer order; the customer receives a link to a status page and can subscribe to status notifications. This saves time by preventing customers from calling to ask about their order status. Built as a vanilla Rails app running on a Hetzner VPS.

Builders @robowo

Business & financeProductivity

Atlas

This is an AI agent that automates enterprise integrations, connecting enterprise systems for organizations.

Builders @manoji

AI & automationDeveloper tools

Entropy Loop

Open source quantum random number generator (QRNG) developed with Quantum Village in donated lab space at a London university. Current work focuses on making the device faster and increasing its entropy output.

Builders @unprovable

Hardware & DIY

Uncut Gem

Open source NVC diamond-based quantum magnetometer undergoing a redesign as part of the author's open source quantum hardware work with Quantum Village in donated lab space at a London university.

Builders @unprovable

Hardware & DIY

Agent Notifier

Push notification service for AI agents that removes the need to babysit terminals: users get notified with proof of work and can approve key decisions remotely. Notifications render markdown and screenshots, can be delivered as audio, and support approvals plus free-form replies. Also available as an iOS app.

Builders @yashness

AI & automationDeveloper tools

xbin

Open-source platform providing a multi-org, multi-team software factory combined with an agent sandbox that uses a bring-your-own-harness model. Built for the creator's own companies.

Builders @devttyeu

AI & automationDeveloper tools

Vistarium

This web app uses a local AI model (Qwen 3.8 27B) to evaluate and tag public domain images from US national parks to find the best landscapes. Images are sorted by predicted aesthetic rating and can be filtered by time of day, color, orientation, and park.

Builders @pivot_root

AI & automationCreative tools & media

weather_mcp

An MCP tool that fetches current weather and 5-hour forecasts from the OpenWeather API using only latitude and longitude coordinates. Designed for the free API tier (60 requests/hour) and completely parametrized for easy extension.

Builders @gfwx

AI & automationDeveloper tools

Mengi

Multicloud platform providing ready-to-deploy clusters for running applications, aimed at companies that want private infrastructure without maintaining it, with a focus on Europe. Includes 'Menno', an assistant that helps set up the cluster and deploy applications, used for hands-on demos and workshops.

Builders @BozeWolf

AI & automationInfrastructure & hosting

OfflineWebSearch

A free and open source link manager that also functions as a feed reader and includes search capabilities for browsing offline.

Builders @renegat0x0

Productivity

word42

Open-source word processing project (word42) under the office-42 GitHub organization; the comment provides only the repository link without further details.

Builders @roschdal

Productivity

math42

Open-source math application (math42) under the office-42 GitHub organization; the comment provides only the repository link without further details.

Builders @roschdal

Education

office42

Open-source office project (office42) under the office-42 GitHub organization, alongside its word42 and math42 repositories; the comment provides only the repository link.

Builders @roschdal

Productivity

northstar-browser

Open-source web browser project (northstar-browser) under the nordstjernen-web GitHub organization; the comment provides only the repository link without further details.

Builders @roschdal

Family meal planning web app

A simple web app for family meal planning. The author's family has used it for a few months, and it is now being tidied up so others can use it too.

Builders @sensecall

Lifestyle & hobbies

TuneSage

A note-based (rather than audio-based) AI music generator that produces melodies. It currently generates somewhat generic melodies, with work in progress on more interesting accompaniment tracks and planned additions of melody improvements and style settings.

Builders @shannifin

AI & automationCreative tools & media