Addon: MeshLint: Like Spell-checking for your Meshes

Video: Youtube
Autor: rking
Web: Link
Download: Link

Addon: BlenchMark

Video: Youtube
Autor: Mark aka Dark (MAD)
Web: Link
Download: Link

Addon: Bhai's Tools

Video: Youtube
Autor: Saurabh Wankhade
Web: Link
Download: Link

Addon: Chintya's Tools

Video: Youtube
Autor: Saurabh Wankhade
Web: Link
Download: Link

Addon: Sverchok

Video: Youtube
Autor: Nedovizin Alexander, Gorodetskiy Nikita, Linus Yng, Agustin Jimenez, Dealga McArdle
Web: Link
Download: Link