There are 83 repositories under dungeons-and-dragons topic.
Web application generating interactive and highly customizable maps
LaTeX package to typeset material for the fifth edition of the "world's greatest roleplaying game".
All SVG icons available on https://game-icons.net
A town generator that is suitable for out of the box play in any fantasy TTRPG setting.
Dungeons & Dragons 5th Edition SRD converted to Markdown.
Additional content to extend Aurora.
A browser plugin that enhances and fixes Roll20. Available for all users.
A tool to create character sheets and GM session notes for Dungeons and Dragons fifth edition (D&D 5e).
A JSON formatted list of all the spells from the 5e SRD
Utility to convert JSON data (for content you own) from 5etools or pf2etools into Obsidian-friendly Markdown.
My personally cultivated list of FoundryVTT Modules for Dungeons and Dragons 5e and Pathfinder 2e that play nicely together without creating an overwhelming amount of UI options or causing noticeable FPS drops.
A tool for someone to use to quickly create content for a tabletop RPG world. Libraries for making video games with the d20 system
A Character Builder for 5e
Build a calendar that fits your world! Whether you're a GM just here to track your Forgotten Realms campaign with a preset calendar, or a fanciful world-builder with 12 moons (Like Eberron's) and zany timekeeping systems to match, we've got you covered.
LaTeX package to typeset character sheets for the fifth edition of the "world's greatest roleplaying game".
Dungeons and Dragons 5th Edition character sheets created in ReactJS.
4e Compendium - Offline D&D 4e Database
Visual Studio Code extension for managing campaign documents.
The best Roll20 Scripts and Macros so you, too can Roll20 Like A Boss.
A D&D Map viewer for DMs to show players maps/dungeons without spoiling too much
A comprehensive 5th Edition Dungeons & Dragons Framework for MapTool.
Current Source Code for LuminariMUD - A Pathfinder/D20 Multi User Dungeon