ChatMapper
7.7#3 in game narrative design softwareFrom $19 a monthFree planWebLinuxmacOSSelf-hosted
VisitChatMapper 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.
TyranoBuilder suits people who want to create branching visual novels with a visual editor rather than relying on code. It also gives advanced users TyranoScript for additional customization.