Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Camera Path Animator – Animate Cutscenes with Splines Free.
Camera Path Animator v3.63
Camera Path Animator v3.61
Create, edit and preview camera animation within the editor and avoid having to compile the scene to see every change.
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Animate a Camera or GameObject in Unity
with ease and no need to touch code
Perfect for creating cutscenes,
architectural visualisations, fly throughs and cinematics
Preview your camera animation within the
Unity editor, no need to press play
Custom made GUI to assist you
creating your camera/gameobject animation
Powerful implementation of Bezier and Hermite curves, fully normalised for complete control.
Suitable for mobile and 2D
Includes an integrated C# event system
Multiple modes including mouse look,
track target, loop, ping pong
Mature, stable codebase. No DLLs, full source included
The package provides you with all the tools to build, edit, and preview the animation spline within the editor.