Web and Remote

Browsers

Opera - http://www.opera.com

Downloaders

4K Video Downloader - https://www.4kdownload.com

Message

Skype (Microsoft) - http://www.skype.com

Skype Full (offline) Setup - http://www.skype.com/go/getskype-full

Viber - http://www.viber.com

Storage

Onedrive - https://onedrive.live.com

Google Drive - https://www.google.com/drive

Dropbox - https://www.dropbox.com

Box (Integration with Office 365 and many other applications) - https://www.box.com

Pcloud [Does NOT occupy any local (hard disk) storage space] - https://www.pcloud.com

Zero-knowledge authentication - Provider does not store passwords so cannot decrypt files

Mega (50GB free, Chat facility, Zero-knowledge authentication) - https://mega.nz

SpiderOak (Zero-knowledge authentication) - https://spideroak.com

Sync (Zero-knowledge authentication) - https://www.sync.com

Tresorit (Zero-knowledge authentication) - https://tresorit.com

FTP

Core FTP Lite - http://www.coreftp.com

Torrents

Bit Torrent - http://www.bittorrent.com

Deluge - http://deluge-torrent.org

U Torrent - http://www.utorrent.com

Remote

TeamViewer - http://www.teamviewer.com