Official Page  -  https://assetstore.unity.com/packages/tools/ai/dialogue-system-for-unity-11672  
Official Rating   5 / 281 Votes
Latest Version   2.2.12
Supported Editor Versions   2017.4.1 or higher
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Available downloads

  • Dialogue System for Unity v2.1.5     March 7, 2020
  • Dialogue System for Unity v2.1.6     March 7, 2020
  • Dialogue System for Unity v2.2.3     March 7, 2020
  • Dialogue System for Unity v2.2.6     July 7, 2020
  • Dialogue System for Unity v2.2.11     November 8, 2020

  • See also... 

      AI Designer Pro
      Behavior Designer - Tactical Pack
      Ultimate Spawner 2.0
      Behavior
      Love/Hate