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Dungeon map

Draws a floor plan with numbered rooms, every one of which can be walked to from every other.

It runs entirely in this browser tab: nothing you type is uploaded, and every draw comes from a seed the result prints.

Settings

Seed: A word gives everybody who opens the link the same draw; empty draws a fresh one and shows it.
Across: In grid squares. Twenty-four across prints comfortably on a sheet of paper. A number from 12 to 48.
Down: In grid squares, the other way. A number from 12 to 48.
Rooms: A grid too small for this many gives fewer, and says how many it managed. A number from 3 to 30.
Largest room: In grid squares. Seven is a hall; three is a cupboard. A number from 3 to 12.
Mark the doors: A mark where a corridor meets a room, which is the one place a plan needs one.
As a list instead: The rooms and their sizes as text, for writing notes beside rather than printing.

Why does everything have a seed?: So that a roll can be checked. A draw here is a function of its seed: the same word gives the same result to you, to the person you send the link to, and to the desktop build. Leave it empty and a fresh seed is drawn and shown, so you can pin a roll after the fact.
Can I use this to deal cards for money?: No. The generator is reproducible on purpose and invertible from a single output, which is what makes it useful here and useless for that. It is not a cryptographic source of chance and the result says so.
Why is there no word list in the word finder?: Because a usable one is larger than this whole application, and a small one is worse than none: it says “not a word” about words. The list comes from you, and the result says how many words it searched so a search that found nothing is visibly a short list.
Does the chess reader have an engine?: No: no evaluation, no best move, no opening book. What it does is replay a game on a real board, which is a fact about the rules rather than an opinion about the moves — and it stops at a move that will not play rather than reading past it.

Initiative order
Sorts a fight into order and rolls for whoever has no number yet, with the tie rule as a setting.

Character sheet
Works out the modifiers, saves and carrying capacity from the abilities, naming no game's rules.

Loot table
Draws from your own weighted tables, follows the references between them, and shows the chances.

People generator
Draws a trade, a manner, a want and a secret from small generic tables, and no names at all.