Slideflight!

Prezi allows anyone who can sketch an idea on a napkin to create and perform stunning non-linear presentations with relations, zooming into details, and adjusting to the time left without the need to skip slides.

SlideShare is the best way to share presentations, documents and professional videos. SlideShare is the world's largest community for sharing presentations.

Scribd is a social publishing site, where tens of millions of people share original writings and documents.

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.

Slido is an audience interaction platform for meetings and events. It allows event organizers to crowd-source the best questions for Q&A sessions, get instant feedback via live polls and share presentations with audiences in real-time.

SlideDog is a multimedia presentation tool that lets you combine PowerPoint presentations, PDF files, Prezi presentations, movie clips, web pages, and more to create an innovative and seamless presentation experience.

SlideOnline lets upload and share PowerPoint and PDF presentations online making easier to embed the presentations in websites, blogs and social networks. Currently it supports Adobe PDF and PowerPoint (.ppt, pptx) presentation format.

* Write your presentations in a text markup language. No slow, limiting GUI, no annoying HTML!* Pan, rotate and zoom in 3D, with automatic repositioning of slides!\* A presenter console with notes and slide previews!* The slide show generated is in HTML, so you only need a web browser to show it.* Easy sharing, as it can be put up on a website for anyone to see!

Powerpoint Online, part of Office Online , is the online version of Microsoft Office Powerpoint .

SlideCorner is a place especially for sharing slides. It is mainly focussed on providing premium content slides for students and professionals. Looking back, two young minds started out this project as a hobby an year ago. It was previously named 'SlideYourPPT.com' And now, it has grown into a store of slide collections. Slidecorner is open and free for everyone. You could download the slides, upload the slides and yes! Share them across social media! SlideCorner has a very simple and friendly interface. Navigation is made more easier as slides are organized under different categories. And not to mentions that the quality of the information never lacks. It lets you get effortlessly what you are looking for. »

Slidedeck.io is a repository of great HTML presentations. It indexes HTML presentations hosted on GitHub. If you want to add yours, just push it on github but don't forget to make a GitHub Page. Our bot will do the rest.

Glisser makes presentations interactive – it takes regular PowerPoint or Keynote slide decks and pushes them out live to audience mobile devices, slide-by-slide, as they are presented. It then enables members of the audience to interact with the presenter or each other, and collects valuable feedback. Attendees can also electronically mark-up the slides with notes, and keep them for future reference.

Create/manage/show presentations on any number of user devices worldwide, in real time. In addition to uploading individual slides, CrowdPresenter can split PPT/PPTX files into individual slides for import into your online library, as well as reassemble them into online, realtime presentations. Speaker notes and presentation tools are included for presentations in both single screen (e.g. a laptop) and dual screen (e.g. a controller device plus projection device) environments, and your audience can follow along on their own devices without downloading any apps! (uses a standard modern browser) »