Tabletop Developer Consortium
Building open-source tooling for the Warhammer 40,000 community
What We Do
Showcase
A curated directory of community-built tools for list building, probability analysis, tournament management, and more.
Standards
A shared quality bar and IP guidelines so every project in the ecosystem ships with confidence.
Data
Community-owned schemas and an enrichment layer — structured game data that any tool can build on.
Featured Tools
Shadowboxing
Deployment planning tool for Warhammer 40K. Visualizes terrain layouts, supports Leviathan deployment patterns, and provides ray-casting visibility analysis for unit positioning.
Army Assist
Army composition viewer and tactical aid. Displays datasheets, stratagems, enhancements, and army rules with filtering, printing, and URL-based list sharing.
Join the Community
Whether you're building a list builder, a stats engine, or something entirely new — there's a place for you here.