sironta 10.1 for Mac can be downloaded from our website for free. The actual developer of this free software for Mac is eclipse. The software is included in Internet & Network Tools.
From the developer:
Sironta is a program used to work collaboratively, share files and information based on Peer-to-Peer operation. Although the basic concept of operation is simple to explain, now specific aspects of its interface and usability will be detailed to understand the program in its entirety.
Sironta is a collaboration platform that is already installed in minutes. It is currently available for Windows, Mac OS X and Linux.
You may want to check out more Mac applications, such as Website Manager, Unofficial RapidShare Tool or nicovidedownloader, which might be related to sironta.