What are some alternatives?
When comparing Mezzmo and Silicon Mirror and Kaleidoscope, you can also consider the following products
Universal Media Server - Universal Media Server allows you to host your entire library of video, music, and pictures, and broadcast them conveniently to a wide variety of different devices.
Wallhaven - Your source for the best high quality wallpapers on the Net!
Serviio - Web on Big Screen. Serviio enables playback of online sources like RSS feeds, live streams or web site content so that you can listen to your favourite podcasts or watch latest TV programmes published online.
ToolWiz Pretty Photo - ToolWiz Pretty Photo is a free powerful lightweight image editor.
PS3 Media Server - The download site has the latest releases of PS3 Media Server for Windows and Mac OS X as well as tarballs for Linux/Unix and debs for manual installation on Debian/Ubuntu. For instructions on installing and running PMS from a tarball, see INSTALL.
Polarr - MacOS, Windows, iOS, Android and online photo editing tools & free photo editors.