DocDroid - DocDroid is a service for sharing document and slides.
Ring4 Meeting - Dead simple video conferencing - free, in browser
SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
Fellow.app - A manager’s co-pilot for 1:1s, meetings, feedback & goals 🚀
SlideOnline - Share PPT presentations online easily with a free PowerPoint presentation sharing platform
Everleagues - Everleagues is a cloud-based application that offers team communication, file sharing and storage, data tracking, and activities management.