Projects from HN posts

What are folks working on?

1689 projects published

Dozenal

A puzzle game played with numbers on a board where the gap between two numbers dictates the arithmetic operation applied to them. The goal is to use all the spaces on the board to make sums of 12.

Builders @sarreph

Games

32B Q4 LLM on a standard smartphone

This project runs a 32B-parameter quantized (Q4) large language model on a standard smartphone, streaming MoE weights from SSD/UFS storage and tiering memory across RAM/UFS/microSD on Android without root access.

Builders @nolon

AI & automation

Godot 2D game framework

A framework for the Godot game engine focused on building 2D games.

Builders @Razengan

Developer toolsGames

Gameplay logic programming language

A new programming language specifically designed for writing gameplay logic, mentioned as a tentative possibility.

Builders @Razengan

Developer toolsGames

Subtitled reading language-learning app

This app is an early-stage language-learning tool focused on what the builder calls "subtitled reading" — interleaving lines of text in the source and target language. It is similar in spirit to Fluir but less far along.

Builders @gr__or

Education

House Price Guess

A web-based guessing game for the UK where players guess house prices. It is a fun game that also helps players get a better sense of what the real estate market is like at the moment.

Builders @realty_geek

Games

Hiring Method

Hiring Method is a math-driven recruitment platform that uses AI to build a scorecard from a job description and mathematically match candidates against it at every interview step, giving hiring teams continuous visibility into candidate fitness.

Builders @genekrapivin

AI & automationBusiness & finance

Lungy Breathe (web version)

Web version of simple guided breathing patterns, built as an interim while an Android version of the Lungy breathing app is planned.

Builders @lukko

Health & fitness

moral.games

A PvP debate game where players argue an ethical conundrum and try to convince an AI judge of a given moral position, combining AI with generative storytelling in a card game format. Matches require both players to queue up at the same time.

Builders @dvt

AI & automationGames

videofn

AI-assisted video editing tool for creating videos with kinetic text synced to audio. It uses a strong feedback loop so the agent can self-correct, and runs local models and rendering to keep as much of the process on device as possible. Originally an experiment, it grew into a useful tool and was recently released generally.

Builders @stevejhiggs

AI & automationCreative tools & media

Convek

API for soaring-specific weather data based on RASP, aimed at paragliders and instrument makers, with widgets and daily emails for gliding clubs. Currently has 24 sign-ups and ~5 active users with one paying subscriber, and is expanding to cover every country while waiting for users to add another compute server since RASP is compute-heavy.

Builders @dakinitribe

Data & analyticsLifestyle & hobbies

Flopper

A GPU data site that includes GPU models and pricing, aiming to become a comprehensive place for all GPU data related to mathematical performance, such as FP8 for AI inference.

Builders @triwats

Data & analytics

Solarable

A site that provides understanding of solar panels so people can learn about them before finding an installer.

Builders @triwats

EducationLifestyle & hobbies

Plotholes

A consensus network for potholes, with potholes reported and determined by cyclists.

Builders @triwats

Community & civic

Fluir

This web app helps Spanish learners progress beyond the A2 plateau. It generates level-pitched Spanish short stories using Claude, narrated with ElevenLabs; every highlighted word or phrase becomes a spaced-repetition flashcard; and users can practice turn-based conversation with an AI chat partner (Lucía) prompted with their saved vocabulary. Free use of all features (one story, one flashcard round, one minute with Lucía) is followed by a 7-day trial subscription.

Builders @nickreffitt

AI & automationEducation

fribble

A daily games platform called fribble offering ten daily games, including classics like crossword and sudoku as well as geography games such as drawing country shapes and picking countries on a borderless globe.

Builders @invalidusernam3

Games

Increader

An incremental reading platform that combines read-it-later functionality with annotations and spaced repetition. Supports web articles, EPUBs, PDFs, and RSS feeds, with many small features to remove distractions and keep readers focused.

Builders @Version467

EducationProductivity

rtk

rtk is a project currently in development; the comment provides only its name and homepage at rtk-ai.app, with no further feature details.

Builders @patrick_rtk

AI & automation

MomentFrame

iOS app that turns photos into Polaroid-style prints, automatically filling in the location and date/time from the photo's metadata. Captions can be edited and the crop adjusted, then the result exported or shared. Everything runs on-device with no account, tracking, or uploads. The first 5 photos are free, and a one-time $1.99 purchase unlocks unlimited exports.

Builders @vlad_ungureanu

Creative tools & media

Kaflow Search

A local-first search tool for Kafka that uses local indexing to enable fast and detailed searches, taking a different approach from existing Kafka tools.

Builders @whsoul

Data & analyticsDeveloper tools

Antiquity IQ

A simple history trivia game about antiquity, created out of a fascination with history.

Builders @Byvrsakjo10

Games

C Swiss Tables library

A small C library implementing Go's Swiss Tables hash map, allowing any byte array to be used as a key, such as a C string, a number, or a bool.

Builders @program

Developer tools

Puma

A terminal-based web browser for browsing the web from the command line.

Builders @meerita

Developer tools

Kernq

A full replacement for the lsof open-files inspection utility, built as a modern systems tool.

Builders @meerita

Developer toolsInfrastructure & hosting

Entroq

A modern lossless compression tool for modern systems.

Builders @meerita

Infrastructure & hosting

datapages

A Datastar metaframework for Go, built as a CLI toolchain with a code generator and linter for server-rendered web apps using the Datastar + Templ + Go stack. Approaching beta stage with v0.10.0.

Builders @romshark

Developer tools

Wave

Open source knowledge base management tool that scales from a single person (consultant/freelancer) to an organization, designed to serve both humans and AI agents, envisioned as an alternative to Confluence.

Builders @rukshn

Productivity

Lightweight browser for agents

A lightweight browser built for agents, inspired by lightpanda/obscura/kindsurf. The author abandoned it after concluding that the web spec is too vast for a lightweight browser to work on modern sites.

Builders @ospider

AI & automationDeveloper tools

Prompt Injection-Intercepting LLM Runner

A new kind of LLM runner that lets users understand the model's internal reasoning process and can be automated to intercept hallucinations and prompt injections before they cause damage. It aims to solve prompt injection; no public code exists yet, but the builder intends to open source it.

Builders @nbpname

AI & automationSecurity & privacy

Jeden

A habit tracker that supports flexible goal formats beyond daily streaks, such as completing a habit N times per period.

Builders @mdbug

Productivity