


A community catalog where users search, compare, and rate snus and nicotine pouches.
Explores words used in Hacker News comments, ranked by how many different people said them.
An iOS app that stores clothing and shoe sizes by brand for shoppers and their families.
A searchable catalogue for discovering repositories through Hacker News discussions and topics.
Scans board game boxes or shelves to show BoardGameGeek ratings, complexity, and recommended player counts.
Shows Mac system status and Claude Code plan usage and sessions in the menu bar.
Provides readers with a visual analysis of Watchmen’s structure, color, characters, and themes.
Helps cloud teams find cloud-cost savings and generate reviewable Terraform remediation pull requests.
Lets participants forecast upcoming clinical trial results and tracks their scores as results become public.
Turns customer support messages, reviews, and call transcripts into categorized product insights for product teams.
A curated directory of websites and tools connected to the Hacker News community.
A workbench that gives coding assistants tested game recipes, checks game rules and stories, and versions project files.
Finds books recommended in Hacker News comments and lets readers browse, sort, and save them on their device.
A Windows BYOK client for AI companions with persistent conversation memory, diaries, and reminders.
A video library of short clips sharing perspectives from founders, artists, designers, and other groups.
Streams videos recommended on Hacker News in synchronized, always-on channels.
A regularly updated newspaper curating Hacker News stories with links to original sources.
Keeps small-business accounts, invoices, bills, and tax figures in a file on the user's computer.
Provides cloud Android phones and robotic real iPhones for AI agents to automate mobile apps.
A native database client for browsing, querying, and editing PostgreSQL, SQLite, MySQL, MariaDB, and Redis databases.
Teaches Vim through hands-on editing challenges in a browser-based editor.
A directory of book recommendations sourced from influential people in Silicon Valley.
Provides free, local-first AI chat in a browser, along with public tools.
Ranks GitHub repositories by how often they are mentioned in Hacker News stories and comments.
Helps creators find and download sound effects or generate new ones for videos, games, and apps.
Runs the original ReBirth RB-338 music software in a browser using Wine and WebAssembly.
A graphical SSH client for managing persistent tmux sessions across servers.
A local-first notes app with documents and an infinite whiteboard, encrypted on-device and synced to Google Drive.
An open-source SVG engine and component registry for adding interactive device mockups to React landing pages.
Connects talent with verified international job opportunities and clarifies hiring and payment eligibility by country.
Finds a Spotify song that matches a tempo selected by the user.
Exports iPhone iMessage conversations to PDF or CSV, including available attachments.
Enhances blurry, noisy, pixelated, and low-resolution photos in a browser using AI.
Offers daily logic puzzles, including Tango and Star Battle, for people who enjoy solving puzzles.
A hosted BitcoinZ wallet lets users and AI agents send private transactions and buy verifiable digital stamps.
A searchable directory of open-source developer tools, APIs, and MCP servers.
Analyzes Hacker News stories and comments with trends, leaderboards, domain rankings, and search.
Provides an invite-only identity protocol for verifying human presence online.
An interactive physics learning tool that visualizes motion through guided scenarios.
A catalog of films and TV shows mentioned on Hacker News, ranked by commenter interest and ratings.
A multi-tenant platform for operating focused marketplaces with listings, workflows, payments, and AI.
A searchable index for browsing movies by genre, title, year, and rating.
Lets developers and AI agents create temporary webhook URLs to inspect and debug incoming requests without an account.
A free sliding puzzle game where players move coloured glass panes to match a picture.
A mobile app for mixing sleep and calming sounds, with sleep timers and offline playback for iPhone and Android users.
Helps groups record shared expenses and calculate the transfers needed to settle up.
An interactive playground for exploring interaction nets and Lafont systems.
Protects application APIs from automated abuse using rate limits, network signals, and computational challenges.
Provides hosted MCP coding tools and access to AI models for developers using Cursor, Claude, and Gemini.
Governs consequential AI-agent actions by revalidating authority at execution and signing verifiable decisions.
Explains MRI images and reports in plain language so patients can better understand them before seeing their doctor.
Turns vocabulary lists into scenario-based videos for language learners to practice words in context.
Tracks YouTube competitors’ thumbnail and title changes and sends creators alerts and reports.
Hosts status pages and lets users read cached updates from services they depend on.
Helps businesses create customer emails and assess churn and retention using their website or sample data.
Scores AI-built projects using public rules and data from their owners’ GitHub repositories and analytics.
Provides AI chat and a cloud Linux bot that handles tasks and creates downloadable files for users.
A language and runtime for building, composing, and running AI agents on computers or in sandboxes.
Audits pages for AI crawler access and tracks brand mentions in AI search answers.
Provides browser-specific guides and a URL tool for hiding Google AI Overviews and viewing traditional search results.
Provides source-code interaction effects for React and Next.js websites that developers can install and customize.
Connects clients with independent home and personal service providers for quotes, bookings, payments, and job coordination.
Lets people create Spotify playlists with personal notes and share them with someone.
An illustrated learning guide that explains machine learning and LLMs without requiring coding or advanced mathematics.
Shows election livestreams, live results, race odds, and analyst commentary together in one view.
Interactive explainers help readers understand computer science and engineering concepts by changing inputs.
A directory for developers to discover, test, and use free public REST APIs.
Scans app code for issues that could affect users and prioritizes fixes for developers before launch.
A free football game where players play 11-a-side matches against AI in a browser or on Android.
An interactive data exploration of trends in Hacker News hiring posts from 2019 to 2026.
A browser game where players manage a startup’s growth, finances, and energy to build a SaaS business.
Provides AI agents with hosted browser sessions they control through a REST API.

An interactive map for exploring YC startups and finding business ideas in gaps between them.
A Game Boy cartridge that receives nearby aircraft broadcasts and displays flight data offline.
A Mac app for recording, editing, and exporting screen videos with automatic click zoom and cursor effects.
A shared AI agent that helps individuals and households plan trips, manage calendars, monitor prices, and handle tasks.
A daily chart puzzle where players identify a mystery point in three guesses.
Helps groups plan trips that fit everyone’s budget, departure city, passport and schedule.
A free browser game where players survive hordes solo or with up to ten friends.
Serves small open models for common AI tasks through an API or deployment in a customer's cloud.
Tracks live results and news coverage for US midterm elections.
Helps software teams scan npm lockfiles for dependency maintainers and accounts that attackers might take over.
An iPhone app that saves articles, lets readers review key points, and helps them remember what they read.
Tracks trending open-source repositories, research, and developer discussions across GitHub and Hugging Face.
Players race opponents in ranked or casual typing matches and compete on seasonal leaderboards.
Calculates who owes whom after a home poker game and creates a dated settlement summary.
Helps developers carry custom changes onto newer upstream releases and test them in a sandbox.
Uses AI to turn plain-language ideas into CAD designs, fabrication files, parts plans, and build instructions.
A social network where people create and remix small pixel paintings without using words.
Aggregates Hacker News stories and trending GitHub projects in a browsable feed.
Provides AI agents with business tools for invoicing, email, bookkeeping, CRM, and other workflows through one MCP server.
Runs Docker containers, Compose projects, Kubernetes clusters, and Linux machines on Mac, Windows, and Linux.
Tracks landed costs, FIFO inventory batches, and SKU-level profit for TikTok Shop sellers.
Helps TikTok Shop sellers find creators, automate affiliate invites, and track profit by creator and campaign.
A local-first writing tool that uses AI and voice analysis to help creators draft posts in their own style.
A browser-based six-voice synthesizer inspired by a 1984 Japanese instrument, with MIDI and stereo chorus.
A mobile detective game where players investigate cases set in real cities by searching locations and questioning suspects.