Chat Mapper

Chat Mapper is a branching dialog editor from Urban Brain Studios with Lua scripting and XML export. Non-Linear Branching Tree Graph Visualization, Conversation Simulator using TTS voices, and multiple export formats for printing actor scripts and for getting dialog into various 3rd-party tools like Dialog System for Unity.

It is free to try, with pricing that ranges from $65 for an Indie License, $495 for Commercial, and an If You Have To Ask You Can’t Afford “Publisher” level which includes a player for Unity.

http://www.chatmapper.com