Postedo - Simple Instagram scheduler that publishes for you
Polarr 2.0a - An online photo editor (big data meets Lightroom)
Combin - Grow Your Instagram Community Safely and Organically
SocialSizes - Sketch templates for sharing images & videos on social media
LikelyAI - Predict the popularity of your Instagram photos.
Acorn - Acorn is a photo editor built for the rest of us.