Sent 1.3.9 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is Vladimir Maltsev. We recommend checking the downloaded files with any free antivirus.
From the developer:
Console utility intended for sending 'net send' messages over local area network from command line. It allows to send personal messages using computer's network name, user's login, nickname and to send broadcast messages using workgroup or domain name. Sent supports batch mode of sending and can take messages and recipient list from a text file.