Atom created an add-on to easily create landscapes using eRacoon's Landscape Assets collection.
If you enjoy BlenderNation and you think it’s a valuable resource to the Blender community, please take a moment to read how you can support BlenderNation.
The Microvellum has released Fluid Designer, the amazing parametric furniture modeling fork of Blender.
Björn Sonnenschein shares an add-on to de-shake video footage.
Weight Lifter puts you in control of vertex groups.
Cogumelo Softworks have released the BakeTool add-on on the Blender Market.
This one is quite old, but I think it's still very useful: Kent Tramell reviews…