Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Social Templates Bundle for Instagram - Large bundle of 240 posts & stories templates for Instagram
Dashboard UI Kit - A modern & responsive dashboard UI kit for designers.
SocialSizes - Sketch templates for sharing images & videos on social media
Landing UI Kit - Handcrafted UI components for landing pages
Polarr 2.0a - An online photo editor (big data meets Lightroom)