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Tech riderRev. 4 Oct 2026

YATME

Ch 136.6of 27 Game Level Editors
  1. 1Runs onself-hosted, Web
  2. 2CostsFree plan
  3. 3Level dimensions2d
  4. 4Tilemap toolsYes
  5. 5Entity placementYes
5 lines stated Written from the maker's own pages: github.com
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The YATME homepage

Overview

YATME is ranked #13 of 27 in game level editors on Specifiction. It runs on Self-hosted, Web. There is a free plan.

YATME plans and pricing

All plans
Free Free MIT-licensed · self-hosted with Docker or run locally · requires Tibia 15.00+ client assets github.com · 4 Oct 2026

Compared on game level editors

Level dimensions
2dgithub.com
Tilemap tools
Yesgithub.com
Entity placement
Yesgithub.com

Facts

Purpose
YATME is a browser-based OpenTibia map editor for Tibia 15.00+ client data.github.com · 4 Oct 2026
Map files
It renders and edits OTBM map files using sprite data extracted from the Tibia client.github.com · 4 Oct 2026
Inspiration
The project says it was inspired by Remere's Map Editor.github.com · 4 Oct 2026
Self-hosting
The README describes hosting the editor alongside an OTS server for map development and administration.github.com · 4 Oct 2026
Deployment
The README provides Docker Compose and Docker run instructions, with the editor available at localhost port 8080 by default.github.com · 4 Oct 2026
Required assets
The editor requires asset files from a Tibia 15.00+ client, an .otbm map file, and optionally related sidecar XML files.github.com · 4 Oct 2026
Sprite handling
On first startup, sprite sheets are automatically converted from .bmp.lzma to PNG, and the converted sprite cache persists across container restarts.github.com · 4 Oct 2026
Asset storage
The Docker setup mounts Tibia client assets read-only and map files read-write so the editor can save changes.github.com · 4 Oct 2026
Technology
The project is built with React 19, PixiJS 8, TypeScript, and Vite.github.com · 4 Oct 2026
License
The repository identifies the project as MIT licensed.github.com · 4 Oct 2026
Local development
The README lists Node.js 22 or later as a prerequisite for local development.github.com · 4 Oct 2026
Maker information
The repository is publicly hosted under the GitHub account knobik; the opened maker pages do not state a company name, headquarters, or founding date.github.com · 4 Oct 2026

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Where it ranks on Specifiction

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Sources