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Zwaptz
Five people standing in a circle on grass in a park, laughing: an older man playing an acoustic guitar, a woman holding three hardback books, a man holding a bare bicycle wheel and a small amplifier on the grass between them.
Six people, one park, and everybody goes home with something.
Six people standing in a park holding what they have brought: a board game, a stack of books, a bicycle wheel, an acoustic guitar and a camera, with an amplifier and a pair of trainers on the grass.
Nobody books a hall, prints a flyer or runs anything.
A pair of white trainers on the left of a dark slate surface, and nine other second-hand objects arranged opposite them: a film camera, a cast-iron pan, headphones, books, a speaker, two wooden hand planes, a boxed game and a skate helmet.
Your guitar does not have to become one specific thing.

A swap meet that assembles itself

Several people, one place, one afternoon, and everybody goes home with something. Nobody books a hall, prints a flyer or runs anything.

Built and running since 8 September 2026. You can open a group, put something in, and see who else turns up: group trades.

Everything below describes what it does today, and says plainly where it stops. The place, the time and who ends up with what are the group’s, exactly as this page always said they would be.

Who starts one
Anybody. There is no organiser role.
Who can join
People whose items land in matching bands.
Who picks the place
The group. Never Zwaptz.

How one comes together

  1. Somebody starts it

    You have a guitar you have stopped playing and you would like almost anything else. You open it up rather than waiting for one person to want exactly your guitar. What you put in sets the range everything else has to land in.

  2. People with matching items join

    Anybody whose thing sits in that range can put it in — a bicycle wheel, three books, a small amplifier, a box of records, a camera. Up to eight people in one group. How far away the nearest of them is sits on the card before you open it, because whether you can get there is most of the decision.

  3. The group agrees where and when

    One public place, one afternoon. Anybody in the group can write it down and anybody can change it. Zwaptz suggests kinds of place and states what is true about them; the choice is the group’s.

  4. Everyone turns up and swaps

    Each person says for themselves that they turned up and went home with something. Zwaptz does not record which thing went to whom, because it was never in the room — working that out is the afternoon, not the software.

Six people, one place

Six people. One park.

The reason this works where a two-person swap sometimes does not is that six people have far more ways of matching up than two do. Your guitar does not have to become one specific thing. It has to become something, out of everything that turned up.

It is also just a better afternoon than meeting one stranger in a car park.

Indoors works too

A hall on a Saturday morning is the same idea with a roof and somewhere to put a cup of tea. Where you meet is written down in your own words, so it can be any of this.

Six people standing in a loose line in a bright wood-floored hall with tall windows, each holding one thing they have brought: a flat boxed item, a pair of black roller skates, a stack of hardback books tied with string, a film camera on a strap, a small guitar amplifier and a bicycle wheel. A brass lantern and a leather folio sit on the floor between them.
The same idea with a roof, and somewhere to put a cup of tea.

What it does not do

It does not book the venue, chair the meeting, hold anybody’s property, or take a cut of what changes hands. Joining a group does not lock your item — it stays yours and stays on Explore, and you can step back out while the group is still open.

It does not work out who should get what. There is no ring, no assignment, no suggested set of pairings. What it does is narrower and worth stating exactly: it fixes the range a group trades in, tells you which groups your things would fit and how far away the nearest person is, and opens the conversation. Everything after that is several people arranging an afternoon, which people have always been good at.

The advice for turning up to any of it is on meeting safely, and how a place gets suggested is on meeting places.

See what groups are open