Recta3D

Cloth To Shape Keys - Fix Cloth Animation is a Blender add-on that converts Cloth, Softbody, and MeshSequenceCache modifiers into shape keys, letting you edit the result in sculpt mode or edit mode.

Renderingtools - Retain Previous Render is a Blender addon that adds a pie menu for switching cameras and rendering to slots directly from the 3D view, and it retains the previous render when a render border is used.