What are some alternatives?
When comparing Swish and Mixer by Microsoft, you can also consider the following products
Hammerspoon - This is a tool for powerful automation of OS X.
Watch People Code - Livestreams of people coding
Grandstand - Sports highlights straight from the crowd
Watch Me Work - Twitch.tv for creative professionals
Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
Streamium - P2P video streaming with bitcoin micropayment.