This isn't really Chromecast - it's 'raspicast' and needs it's own app. There are tons of similarly titled howtos that make it sound like you can run your own chromecast server -- you can't, unless you buy an expensive thing from airserver.com or a cheap chromecast. I have yet to find any real opensource chromecast server. Source: over 1 year ago

On Windows and Mac, there's Airserver - https://airserver.com. Source: over 1 year ago

Check out https://voicethread.com/. Source: about 1 year ago

Well, I teach primarily first-year-writing courses and discussion is a significant component of the course. But, rather than thinking generically about discussion, I prep assignments based on goals and outcomes. I choose tools and formats based on what I’m trying to accomplish and rarely does a traditional discussion board assignment work. Essentially, different tech tools allow me to create specific learning... Source: almost 2 years ago

Do you want Canvas-specific features, or would you be okay with tools you could provide a link to in Canvas? For example, I have had success with PearDeck (read the privacy agreement carefully so that you understand how Google will/may use user data) and a colleague of mine has created really cool assignments with VoiceThread. Source: about 2 years ago