360player.io - Display, share and embed 360° pictures
Previagram - Preview your ideal photo grid and create mosaics for free
Facebook 360 Photos - Share an immersive view of your world
Smarter Top Nine Tool - Instagram Top Nine re-invented - pick your best & rearrange!
Gear 360 - Capture stunning 360 video for virtual reality, by Samsung
LikelyAI - Predict the popularity of your Instagram photos.