Slideshark is an app and web-based platform designed to help professionals create, present, and share presentations quickly and easily. It enables users to view and present PowerPoint, Keynote, and PDF files on any device. It also provides powerful collaboration tools, such as annotation, markup, and commenting features, enabling presenters and audiences to interact in real time. Slideshark also offers a suite of analytics tools that allow users to measure the effectiveness of their presentations, as well as powerful sharing options, allowing users to securely share presentations with colleagues and clients.
Bundleware The installer contains adware and possibly also other malware. Be careful during installation: https://alternativeapp.info/discussions/applications/11718/be-careful-in-the-installation/