From Dorotheus Technologies:
Unlimited file transfer everyday for next 10 years. 123Go v3.0 is powered by eXPT engine that facilitates transfer of small as well as huge files. A secure, easy, and quick solution to your file transfer needs; refined file transfer reduces need of FTP and email attachment. 123Go v3.0 is now equipped with automatic file location detection on remote PC even if IP is changed. Try now the all new 123Go v3.0 for FREE and benefit from the all new eXPT engine that facilitates easy transfer of small as well as large files from one computer to another. Incredible cost, $99.95 for 10 Years, i.e. $9.99 per year or $0.83 per month. 123Go v3.0 is the only next-generation PC to PC file transfer program free from FTP with powerful features. You can discard the email attachment now. Send and receive large single files of any size, up to 16000GB. That's incredible size for a desktop program. Safely transfer unlimited large files, of any size, directly to a computer with 123Go, a secure, easy, and quick solution to your file transfer needs. 123Go v3.0 is useful in transferring large documents, DVDs, Video Files, MP3, Audio Files, anything of any size. You can resume broken transfers at your convenience. No configuration required; send and receive large files in just 3 clicks. Send your files DIRECTLY from your PC to any pc, ANYWHERE, with a sense of security. This makes your data secure. Instant chat with the remote PC. Every send and receive is logged, and you can see later what files did you send and receive in the current session, from what IP, the time and so on. Change your Ports whenever you like. Easy navigation that helps you see the progress better, progress bars, percentages labels and so on. The transfer is peer2peer so no one can enter on this secure line, so do not worry, your transfer is safe. Designed for easy use by both novice and experts. 123Go v3.0 is secure and reliable file transfer program.
Failed to connect in either direction, I can connect with other programs. Limitations: The FREE eval of 123Go is designed to run for 30 minutes per session. Transferring 40 files a day and the evaluation period will expire after 14 days of using it.
For me it was a complete and total waste of my time.