Twitter、Facebook、Google、YouTubeなど、世界的に有名なサイトが様々なデザイナーによってリデザインされたコンセプトデザインを集めてみました。
自分がこういうのが面白くて好きというのもあるんですが、デザインの作り方やパーツの配置、作品の見せ方などといった参考になる部分も何かと多いのでよく見ています。
普段見慣れているし、現状のデザインの方が良いなって思うのもありますが、「このデザインにした方が...」って思うぐらい格好良くリデザインされているのも多いです。

Adobe Layout – New Concept

Adobe Layout – New Concept

Original: Adobe

Amazon.com Homepage Redesign Exploration

Amazon.com Homepage Redesign Exploration

Original: Amazon.com

Amazon.com redesign

Amazon.com redesign

Original: Amazon.com

Behance Redesign

Behance Redesign

Original: Behance

CNN design concept

CNN design concept

Original: CNN.com International

DeviantArt Redesign Concept

DeviantArt Redesign Concept

Original: deviantART

Redesign – Dribbble

Redesign – Dribbble

Original: Dribbble

Redesigning Facebook: News Feed

Redesigning Facebook: News Feed

Original: Facebook

Facebook Redesign

Facebook Redesign

Original: Facebook

Facebook Redesign

Facebook Redesign

Original: Facebook

Facebook – Redesign of ui details

Facebook – Redesign of ui details

Original: Facebook

Facebook – New Look & Concept

Facebook – New Look & Concept

Original: Facebook

Google Rebrand – Concept Project

Google Rebrand – Concept Project

Original: Google

Google – Redesign Concept + Freebie

Google – Redesign Concept + Freebie

Original: Google

Google+ Redesigned Concept

Google+ Redesigned Concept

Original: Google+

Groupon Flow Concept

Groupon Flow Concept

Original: Groupon

IMDb Concept

IMDb Concept

Original: IMDb – Movies, TV and Celebrities

IMDB Filmpage Concept

IMDB Filmpage Concept

Original: IMDb – Movies, TV and Celebrities

IMDb redesign concept

IMDb redesign concept

Original: IMDb – Movies, TV and Celebrities

Instagram – Redesign Concept

Instagram – Redesign Concept

Original: Instagram

LinkedIn Redesign

LinkedIn Redesign

Original: LinkedIn

MTV.com Redesign

MTV.com Redesign

Original: MTV

MySpace +ID

MySpace +ID

Original: Myspace

News Redux

News Redux

Original: The New York Times

Skype Redesign

Skype Redesign

Original: Skype

Skype Desktop Modern/Flat UI Concept

Skype Desktop Modern/Flat UI Concept

Original: Skype

Twitter redesign concept

Twitter redesign concept

Original: Twitter

Twitter Redesign Concept

Twitter Redesign Concept

Original: Twitter

The Wikipedia Redefined

The Wikipedia Redefined

Original: Wikipedia

Rethinking the new Yahoo.com

Rethinking the new Yahoo.com

Original: Yahoo!

Yahoo! Redesign

Yahoo! Redesign

Original: Yahoo!

Youtube Concept Redesign

Youtube Concept Redesign

Original: YouTube