Speaker Deck is the best way to share presentations online. Simply upload your slides as a PDF, and they will turn them into a beautiful online experience. You can view them on SpeakerDeck.com, or share them on any website with an embed code.

They also automatically scale your slides to the embedding website’s layout for you. No more broken formatting, plugin dependencies, or ugly embed frames. You can sign up now for free, and make your presentations better with Speaker Deck.

Requirements: -
Demo: http://speakerdeck.com/
License: License Free