ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Sizle - Presentation software for sales teams
Thum.io - A real-time website screenshot generator
Slides - Slides is a place for creating, presenting and sharing presentations. The Slides editor is available right in your browser. Unlike traditional presentation software, like PowerPoint, there's no need to download anything.
Blink - Blink is a team and employee app, with a Feed, Chat and Hub (for documents, links, files).
Slidebean - Presentations that design themselves