Although it's quite basic, it's a start and will get better. Members from the Techsmith team take the first 25 minutes of this podcast to discuss why they felt they needed a ChromeOS/Linux presence for the app:
http://www.practicalchrome.com/2014/05/if-you-can-snagit-practical-chrome-21.html
http://www.practicalchrome.com/2014/05/if-you-can-snagit-practical-chrome-21.html
