Vimeo Live - Live stream your videos in high-quality 1080p, get tools to boost engagement (and lower stress), and enjoy one home for all your live and uploaded videos.
John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
GiveCentral Live - GiveCentral Live is an online web streaming solution that allows you to live-stream your charity events, galas, and other fundraising activities to your supporters.
Muzei - Muzei is a live wallpaper that gently refreshes your home screen each day with famous works of art.
Flutin - Flutin is an online live streaming platform through which you can easily multistream on 40+ platforms.
Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.