WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Whimsical Wireframes - Lightning fast wireframing with real-time collaboration.
Load.to - Load.to is a 1-click-hoster / sharehoster that hosts your files for FREE!
Userflows - Automatically generate user journeys
MediaFire - MediaFire is the simple solution for uploading and downloading files on the internet.
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.