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The category for everything that does not have a category

Most of the software people genuinely need is too small and too specific to have a market. A list of which board game each friend has borrowed. A record of what was planted in which bed and when. A log of the hours spent on a hobby project. A tracker for a reading group. A shared checklist for a village hall booking. A tally of who won at cards.

None of these is unusual. Every household and every group has three or four of them. What they have in common is that the addressable market for each one is roughly the people in your kitchen, which is why no product exists and why the answer has always been a spreadsheet or nothing.

What tends to end up here

Collections and inventories, because the moment a collection is large enough to be interesting it is large enough to be forgotten. Lending records, which are really a social lubricant rather than an accounting exercise. Hobby logs of every kind: allotments, aquariums, brewing, running, birds seen. Club and group administration, where the whole job is a list of members and a list of dates. And the long tail of one-off trackers built to answer a single question for a single season.

The unifying trait is not the subject, it is the size. These are apps with two lists, five fields and one screen, and their value comes almost entirely from being shaped exactly right rather than from being featureful.

The improvisation, and its ceiling

The honest baseline for this category is a note on a phone, which works for one person and fails the moment a second one needs it. A shared spreadsheet is the next step and its ceiling is well known: nobody else opens it, especially not on a phone, and there is no way to say that this person may add rows but not delete them.

The step after that has historically been to give up, because the alternative was learning a low-code tool or paying a developer, and neither is proportionate to a list of who borrowed which board game. That was a real constraint, and it is the one that has actually changed.

What changes when building it is a conversation

The economics flip. When an app costs a conversation rather than a purchase or a weekend, the tiny specific thing becomes worth building, and being tiny becomes an advantage rather than a compromise. You get exactly the fields you need, exactly the sharing rules you meant, and nothing else to maintain.

The parts that come for free are the ones people usually get wrong on their own: it is a real web address that works on every phone with no app store, it is private until you invite somebody, each person you invite gets their own sign-in by email link, the server records who wrote each row rather than trusting a name typed into a box, and changes appear live for everybody looking. Your AI can then keep it current and change its shape later without disturbing what is already in it.

Nothing here looks right

That is the expected outcome on this page, and it is the point of it. The templates below are what the community has published; the thing you need probably is not among them, because the thing you need is specific to you.

The first-party templates are worth a look purely as worked examples of the patterns, and each is one sentence away from being something else: Chore Board is a list with an owner, a status and an audit trail; Baby Care Log is an append-only event log; Household Ledger is a set of entries that nets out to a balance; Trip Packing List is a checklist grouped by person; Volunteer Slots is a set of places with a headcount on each; Secret Santa Draw is a list where a row can be read only by the person it names. Start from whichever is closest and ask your AI to change it, or describe your thing from scratch. If it turns out well, publish it back here.

What you get, whatever it turns out to be

Whatever shape the thing ends up, the same platform sits underneath it, and the parts worth knowing are the ones that are tedious to build yourself. Every app is a real address that opens in any phone browser with no app store, and can be added to a home screen from Android Chrome or iPhone Safari so it opens full screen. Every app is private until you invite somebody, and invitations are an email address plus a link, not an account somebody has to set up.

The server records who wrote each row from the signed-in identity rather than from anything the page sends, which is what makes a shared list trustworthy and a shared document not. Changes land live for everyone looking. And the permissions are part of the app rather than a policy: a list can allow a member to add and update while reserving deletion for the owner, and that is enforced rather than agreed.

The parts to know about before you rely on it: it needs a connection, so there is no offline mode; nothing emails or notifies anyone unless the app is built with a rule that says so; the data is private but not encrypted so that only you can read it; and there is no CSV export today, though your AI can read every row back and the command line tool prints JSON.