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Audacity : Multi track recording and editing software. TakeDown Animations : 12 takedowns animations package. Mixamo : If you have an account then these are all free!.
Melee Axe Pack : 55 mixamo animations for axe-wielding, skull bashing, dragon slaying barbaric types.
Magic Pack : 55 awesome magic animation from mixamo. Huge FBX Mocap Library part 3 : Conversion of the Carnegie-Mellon mocap library with 2,534 mocap animations. Huge FBX Mocap Library part 2 : Conversion of the Carnegie-Mellon mocap library with 2,534 mocap animations. Huge FBX Mocap Library part 1 : Conversion of the Carnegie-Mellon mocap library with 2,534 mocap animations. Animation Baker : Converts Mecanim animations back to legacy animations. Animancer Lite : A code-driven replacement for Unity’s Mecanim AnimatorControllers based around the concept of Dependency Injection: instead of using names or hash codes to identify predefined states and parameters, you simply pass the desired AnimationClip directly into the Play or CrossFade methods. Google Analytics Plugin : Allows game developers to easily implement Google Analytics in their Unity games on all platforms. Unity Movement AI : A library of steering behaviors to help your NPCs move around your game. TopDown AI : This is an example of Top Down Shooter AI.
Panda BT Free : Panda BT is a script-based Behaviour Tree engine which allows the authoring of complex, scaleable and reusable logic for your game. Goap : Goal oriented action planning AI in Unity. Crystal AI : A Utility based AI for C# and Unity (can only use free version in free games). Behavior Bricks : Behavior Bricks is a state-of-the-art engine for Behavior Trees (BTs) along with an intuitive visual editor. You may also be interested in taking a look at the quality assets that I use regularly to create my scenes – best of the best environmental unity assets.