ChatScript is the next generation chatbot engine that won the 2010 Loebner Prize with Suzette, 2011 Loebner with Rosette, and 2nd in 2012 Loebner with Angela (a bug I introduced in the Loebner protocol, not the engine). The technology behind Outfit7's mobile app Tom Loves Angela and ESL chatbots at Japan's SpeakGlobal. 3rd place winner Chatbot Battles 2012 and awarded best 15 minute conversation prize. 3rd place Loebner winner for 2013 and 1st place in 2014 and 2015.

Also has useful ontology files for nouns, verbs, adjectives, adverbs. Stand-alone or server modes. LINUX ( 64 bit) and Windows (Visual Studio 10) and Mac/iOS.

See for our home website.
See for git accessible form (which also has fixes as needed prior to next full release cycle)

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User Reviews

  • Simply the best tool for creating conversational agents and other natural language processing tools.


    1 user found this review helpful.
  • Nice framework for making chatbots.

  • I put <<topic: ~introductions []t: Hello, talk to me!>> in ''. Then, at the client's prompt, type ":build 2". But I should not see this: >:build 2 XXXXXX XXXXX Helo, talk to me!

  • hi, i'm going to develop a conversational agent using jvoicexml platform and the AUML language. can i have some help because i don't knew how to start or how to use this platform. i already tried to download it but i didn't arrive to make it run. thanks for helping me, i really need it!!!

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