What are some alternatives?
When comparing CellSend and Send Anywhere, you can also consider the following products
Pushbullet - Pushbullet - Your devices working better together
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Pushover - Real-time notifications on your Android, iPhone, iPad, and Desktop
FilePizza - Open source application used to transfer file via WebRTC and WebTorrent.
AirMore - AirMore is a cross-platform toolset that can help you manage any Android device wirelessly.
Volafile - Volafile.org offers real time filesharing and fast downloads without delays or annoying countdowns.