GemRB is a portable open-source implementation of the Infinity Engine
Game engine to build text adventures.
Text adventure: Battle monsters & cast spells to claim the Orb of Zot!
Action RPG that's easy to mod
GM tool for the RPG game "Legend of the Five Rings" 4th edition
A Right Leaning Minecraft Adventure for Bedrock and PE players
Keybinds
The ECE is for creation and managing ED3+ED4 characters.
Real-time RPG for PC/tablet/phone; multiple quests and random dungeons
A complete web framework to create online Fighting Fantasy adventures
A suite of tools for any RPG system
Super Smash Flash 2 is the most must-play battle game with 28 classic
Creates D&D monsters for use with Pathfinder ruleset
A fantasy RPG.
RPG character generator for RPG d20 systems.
[On hiatus] Zero-player role-playing game.
Harp Character Suite
Onging Project for Serenity RPG
Allows you to play Miniatures On a PC