https://speakerdeck.com/ Speaker Deck is the best way to share presentations online. Simply upload your slides as a PDF, and we’ll turn them into a beautiful online experience. View them on SpeakerDeck.com, or share them on any website with an embed code.
https://www.mentimeter.com/ Interactive presentations, workshops and meetings: Mentimeter is an easy-to-use tool that makes facilitators and presenters look like stars. No installations or downloads required – and it’s free!
http://www.slidestory.com/ Slidestory is a new, exciting and FREE way to make presentations and share them on the Internet. Available for all devices (pcs, tablets and movile phones).
https://flipagram.com/ Flipagram es la manera más fácil de hacer presentaciones y videos con fotografías en tu móvil o app.
http://www.smartdraw.com/timeline/ SmartDraw is a visual processor that you can use to quickly create flowcharts, organization charts, mind maps, and project charts, and provides timeline templates that help you create timelines which align and space events and milestones automatically.