Runtime Editor (v3.5.3)

Runtime Editor is the set of scripts and prefabs which help you to create scene editor, game level editor or build your own modeling application. It supports drag & drop, undo & redo and selection api. To implement user interface and core functions runtime editor use transform-handles, gizmos, save load subsystem and three controls: menu, virtualizing tree view and dock panels.

Features:
♥ Position, Rotation, Scale transform handles;
♥ Grid, Box Selection, Scene Gizmo;
♥ Transform Handles Mobile & AR Core support;
♥ Global & Local coordinates;
♥ Local & Center pivot point modes;
♥ Vertex & Grid snapping;
♥ Gizmos for Colliders, Lights and Audio Sources;
♥ Scene navigation, Orthographic & Perspective view;
♥ Undo & Redo API;
♥ Object Selection API;
♥ Object life-cycle events;
♥ Play & Edit mode;
♥ Configurable Inspector;
♥ Component & Material editors;
♥ 20+ Built-in property editors;
♥ Add Component control;
♥ Multiple Scenes and Cameras support;
♥ Dock Panels & Windows management;
♥ Dialogs, Message Boxes, Confirmations;
♥ Easy to extend with new windows;
♥ Configurable Main & Context Menu;
♥ Fast Virtualizing Tree View;
♥ Configurable Save & Load subsystem;
♥ Easy to use Project API.
♥ Static and Dynamic Assets support;
♥ Asset Bundles support;
♥ Multiple Projects support;
♥ Ability to edit components of multiple selected objects;
♥ Universal Render Pipeline support;
♥ HD Renderer Pipeline support (Beta).

This asset uses:
♥ Roslyn .NET compiler under MIT License;
♥ HSV Color Picker under MIT License;
♥ NavMeshComponents under MIT License;
♥ protobuf-net under Apache License, Version 2.0;
♥ SharpZipLib under MIT License.

https://assetstore.unity.com/packages/tools/modeling/runtime-editor-64806