Top 20 products relevant to Cloud Storage and Secure File Sharing

WeTransfer is a free service to send big or small files from A to B.

Send whatever you want, wherever you want.

The fastest way to send files over the internet.

Wormhole lets you share files with end-to-end encryption and a link that automatically expires.

An open source alternative to Alternative to AirDrop.

Open Source

odrive aggregates all cloud storage. Access, sync, share, and encrypt everything in one place. Integrations to 20+ storage services, desktop sync, Linux support, placeholder files, zero-knowledge-encryption, web client, advanced sharing, and more!

freemium

HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC.

Open Source

Open source application used to transfer file via WebRTC and WebTorrent.

Open Source

SHAREit allows you to transfer files and data from your phone to another device without having to rely on WiFi or a data plan.

Fast and easy file sharing, drop a file into the website and get a shareable link right away.

Send files of any size directly from your device, without ever storing anything online.

OnionShare lets you securely and anonymously share a file of any size with someone.

Open Source

Ultra-secure, end-to-end encrypted large file sharing.

Easy file sharing from the command line.

Share files offline. No servers. No cloud. No limits.

An open source cross-platform alternative to AirDrop.

Open Source

Xender is an app for sharing and transferring files. It's easy to understand and offers several features so that you can share almost any kind of file online or through a private message.

A file sharing which allows you to send encrypted files to other users.

CompleteFTP is a secure FTPS and SFTP server for Windows.

freemium $299.0 / Annually (1 licence per computer)

Instant messaging meets email (by Microsoft).