Vizio's Cast-powered speakers offer an alternative to Sonos | Engadget
Best Sonos Alternatives - SoundGuys
Sonos Controller for Ubuntu/GNU Linux : r/sonos
SONOS One SL Black Smart Speaker | Abt
Sonos Windows Phone controller, Phonos now available at half price | Windows Central
GitHub - Thyraz/Sonos-Kids-Controller: Software for self made touchscreen jukeboxes for kids. Supports Spotify streaming and uses Sonos for audio output.
SonoPad for Sonos on the App Store
32 Sonos tips, tricks and features | What Hi-Fi?
Is there a decent alternative to Sonos for multi-room music? - Quora
Sonos Amp Alternatives | LivingSpeaker
Sonos speakers are getting a cheap Ikea wireless controller - The Verge