ClickShare is described as 'Barco’s ClickShare product is a game changing way to collaborate, making meetings more productive, spontaneous and efficient. You can share content from your laptop by simply connecting a USB device and clicking a button' and is an app in the remote work & education category. There are three alternatives to ClickShare for a variety of platforms, including Web-based, iPhone, iPad, Self-Hosted and SaaS apps. The best ClickShare alternative is TheOpenPresenter. It's not free, so if you're looking for a free alternative, you could try TheOpenPresenter or AirPlay.