SocialSizes - Sketch templates for sharing images & videos on social media
Online Video Templates by Pixiko - Discover stunning free video templates, pick and edit
Instagram Story Templates by Kapwing - Create simple, beautiful Instagram Stories from templates
Social Templates Bundle for Instagram - Large bundle of 240 posts & stories templates for Instagram
SlidesPPT - Beautiful free presentation templates for Google Slides
Bannerbear - Auto-generate IG Stories, Pinterest Pins and more