For a very long time, I was the very person whose hands are shaking at the presentation, so this article is especially relevant to me. But I worked for a long time on myself and on improving my skills. So now I feel much more confident. Moreover, I have access to all the tools I need to make my presentation even better. I often use this source https://slidepeak.com/ and I want to note that the quality of the presentation is also very important for the speaker's confidence.