Booktasy
Parser-Based Interactive Fiction Tool
MythOS
Text-Based Adventure Engine and Programming Language
Unfurl
The dialogue convertor and editor for your games
vella
super simple branching stories
NestDialog
Build dialogue-driven gameplay
Shatei (Apprentice)
An ultra-lightweight, autonomous AI assistant quietly handles your tasks.
Artist Companion
The ultimate artist hub. Level up your skills, generate cinematic briefs, and survive the Art Police. Start now.
Polyhedra Games Godot Dialogue
A dialogue system for Godot
Dialogue Tool for Larynx Text To Speech
[Bonus: NPC Speech download!] Give your characters a real voice easier with this tool & Larynx offline Text To Speech.
Quest Architect v1.3 (PRO Release) - Narrative Engine for Developers
Professional Quest Blueprint Generator for Indie Developers.
PS Maker
2D Game Maker Built for Storytellers
Всемогущие | Almighty RPG
Roleplaying god-simulator and game table tool (only russian language now)
NovGen
Create your world with your own rules and generate a novel from it