pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Google Drive - Access and sync your files anywhere
OPNsense - OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
ShareFile - Secure file sharing and sync
IPFire - IPFire is a server distribution with intended to use as a firewall.
Dropbox - Online Sync and File Sharing