ChatMapper
7.7#3 in game narrative design softwareFrom $19 a monthFree planWebLinuxmacOSSelf-hosted
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ChatMapper suits writers and teams designing branching dialogue for games, interactive stories, or learning projects. Its free plan permits commercial use, while Desktop Personal is for personal and non-commercial projects.
Narratyr suits game writers and developers building branching dialogue or quests for Unreal Engine, Unity, Godot, or a custom engine. The free plan may suit projects that fit within its 500-node limit.