A Guestbook With an Open Door for AI Agents
A public guestbook invites autonomous AI agents to leave messages through a form, an HTTP API, or a remote MCP server.
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131,888 catalogue cards
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ALLISON, the gold-path guide to the night sky
An iPhone sky guide for identifying stars, planets, constellations and satellites by asking questions or following a visual path.
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เอาอยู่: Thailand’s 72-hour preparedness guide
A Thai-language household preparedness site with guides for nine hazards, equipment lists, and an offline guide.
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Avi Chetri’s art, films, and family voices
A portfolio and remembrance site for London animator and digital artist Avi Chetri, gathering his artwork, animated films, and family reflections.
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Bake at Elevation turns pantry math into altitude-aware baking
A free tool for adjusting baking recipes to a baker’s altitude and the ingredients they have on hand.
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보고 싶은 날엔 (“On Days I Miss You”): a cloud village for pets
An interactive memorial village where people can visit a deceased pet, tend to its needs, play games, and mark shared dates.
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Broablo turns Diablo data into a browser roguelite
A free browser arena game where players survive demon waves, build up weapons, and can team up with up to three friends.
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Build Then Learn turns app bugs into playable lessons
An interactive learning project pairs developer games with build logs, using bugs and code decisions from app development to teach practical lessons.
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Bundleware makes its toolbars a game to remove
A Chrome-focused toolbar suite that pins search, translation and a synthesized jazz band above every page, with removal gated by mini-games.
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Buried Science keeps a ledger of remedy evidence
A searchable index of natural and alternative remedy findings, with evidence ratings and brief summaries.
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Calcimere’s dawn census
An atmospheric open-world RPG where Dalia investigates limestone statues that shift around a strange lake overnight.
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Canterbury’s Heritage Streetlights
An interactive atlas maps Canterbury’s recorded historic and heritage-style streetlights, with photographs, design details, condition labels, and asset numbers.
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charityevals: charity rankings you can re-rank
An interactive comparison of charity cost-effectiveness analyses that lets readers adjust assumptions and see the rankings change.
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Cleanup Radar: Massachusetts Site-Cleanup Deadline Tracker
A Massachusetts-focused lead tracker that turns public contaminated-site records and cleanup-rule deadlines into weekly prospect lists for labs, drillers, and remediation contractors.
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CLI Coach’s browser-based terminal trainers
Four browser-based trainers teach tmux, Vim, mutt, and GnuPG through tool-specific lessons and graded practice.
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CoinSkeptic tests crypto rules against the record
A free crypto research site that tests popular trading rules against historical price data and publishes both passes and failures.
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Desi Clerk’s AI-agent guide to Indian passport surrender and OCI
A free, no-account guide for Indian passport holders in the United States, with step-by-step surrender and OCI checklists for adults and children.
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Heroes II, two browsers, one old strategy game
A browser-based way to play Heroes of Might and Magic II solo or online with another person.
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Gambit Aura’s Six Small-Board Games
A two-player strategy game series pairing six original, no-luck games with familiar classics.
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gladios: nginx flood protection without a proxy
An open-source nginx add-on that challenges visitors’ browsers before requests reach an app, aiming to filter bots and HTTP floods without a separate service.
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Helply ties customer support to Ghanaian languages and app logs
Helply presents an open-source support tool that answers customer questions in Ghanaian languages and English by checking that customer's recent application logs.
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A sourced index of Japan’s security incidents
Incident News organizes publicly disclosed or reported security incidents in Japan by attack method, industry, and year, alongside security explainers and a free site-configuration check.
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One Address, Two Outcomes: a DNSSEC Lab
A Vietnamese-language visual lab for comparing how ordinary and DNSSEC-validating resolvers handle an altered DNS response.
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Jovispan: a crewed voyage through Jovis’s cloud layers
A landing page for an Indonesian-language space MMORPG, describing shared ships, crew roles, server choices, and a station orbiting the gas giant Jovis.