Render+

Render+ adds batch rendering and automation to Blender. It can suspend or shutdown the PC automatically, notify, run custom commands before and after rendering and more.

Mirage

Mirage is a full suite for landscape and nature work in Blender. It can create terrains, rocks and distribute objects and vegetation realistically over a terrain.

IOR Reference

Adds a list of common IOR values for materials in the side panel of the materials nodes editor. Values can be searched, copied or inserted as a value node.

Reflow

Lets you change the FPS in a scene and recalculate animations. It fixes markers, NLA lengths, keyframes and the animation's end frame.