SocialSizes - Sketch templates for sharing images & videos on social media
Slides - Slides is a place for creating, presenting and sharing presentations. The Slides editor is available right in your browser. Unlike traditional presentation software, like PowerPoint, there's no need to download anything.
Video Templates By VEED.IO - Professional & editable online video templates for social
Slidebean - Presentations that design themselves
Social Templates Bundle for Instagram - Large bundle of 240 posts & stories templates for Instagram
Tome - Tome is a tool for creating stories at work—whether it's about strategy, design, data, or a personal message.