WeTransfer - WeTransfer is a free service to send big or small files from A to B.
SendGB.com - Free file transferring service up to 5GB. No needed registration. SendGB keeps files for 1-90 days!
SHAREit - SHAREit allows you to transfer files and data from your phone to another device without having to rely on WiFi or a data plan.
FileTransfer.io - Send your files safely up to 6GB for free. No download speed limit. No registration needed.
Firefox Send - A file sharing which allows you to send encrypted files to other users.
Dropbox - Online Sync and File Sharing